diff --git a/app-down/400.html b/app-down/400.html
index 0859918..50c7b9d 100644
--- a/app-down/400.html
+++ b/app-down/400.html
@@ -16,7 +16,7 @@
     <style>
         :root{--color-bg-primary:#fff;--color-bg-secondary:#eef6fa;--color-bg-sign:#fff;--color-text-primary:#333;--color-text-secondary:#777;--color-img-details:#f62f37;--color-img-primary:#7990a1;--color-img-secondary:#00baff;--font-size-small:13px;--font-size-normal:16px;--font-size-large:45px}
         @media (prefers-color-scheme:dark){
-            /*:root{--color-bg-primary:#222526;--color-bg-secondary:#292e2f;--color-bg-sign:#262828;--color-text-primary:#fff;--color-text-secondary:#999;--color-img-details:#c72d34;--color-img-primary:#adacac;--color-img-secondary:#86d3ff}*/
+            :root{--color-bg-primary:#222526;--color-bg-secondary:#292e2f;--color-bg-sign:#262828;--color-text-primary:#fff;--color-text-secondary:#999;--color-img-details:#c72d34;--color-img-primary:#adacac;--color-img-secondary:#86d3ff}
         }
         body,html{background-color:var(--color-bg-primary);color:var(--color-text-primary);font-family:Roboto,Helvetica,sans-serif;font-size:0;margin:0;padding:0;height:100vh;overflow-x:hidden}
         body{align-items:center;display:flex;justify-content:center;height:100vh}
@@ -85,7 +85,7 @@
         
     </div>
     <div class="picture">
-        <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 600 480" x="0px" y="0px" xml:space="preserve" class="pic">
+        <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 600 480" x="0px" y="0px" xml:space="preserve">
             <rect y="0" class="st0" width="600" height="480"></rect>
             <radialgradient id="svg-background-gradient" cx="328.1394" cy="306.3561" r="219.5134" gradientUnits="userSpaceOnUse">
                 <stop offset="0" style="stop-color:var(--color-bg-secondary)"></stop>
@@ -178,11 +178,11 @@
 </main>
 <script>
     Array.prototype.forEach.call(document.getElementsByClassName('if-not-found'), function ($el) {
-        $el.style.display = "400".trim() === "404" ? 'block' : 'none';
+        $el.style.display = "400" === "404" ? 'block' : 'none';
     });
 
     Array.prototype.forEach.call(document.getElementsByClassName('if-maybe-wrong-uri'), function ($el) {
-        $el.style.display = ["401", "403", "404", "418", "505"].includes("400".trim()) ? 'block' : 'none';
+        $el.style.display = ["401", "403", "404", "418", "505"].includes("400") ? 'block' : 'none';
     });
 
     Array.prototype.forEach.call(document.getElementsByClassName('go-back'), function ($el) {
diff --git a/app-down/401.html b/app-down/401.html
index e778d3d..a2fe715 100644
--- a/app-down/401.html
+++ b/app-down/401.html
@@ -16,7 +16,7 @@
     <style>
         :root{--color-bg-primary:#fff;--color-bg-secondary:#eef6fa;--color-bg-sign:#fff;--color-text-primary:#333;--color-text-secondary:#777;--color-img-details:#f62f37;--color-img-primary:#7990a1;--color-img-secondary:#00baff;--font-size-small:13px;--font-size-normal:16px;--font-size-large:45px}
         @media (prefers-color-scheme:dark){
-            /*:root{--color-bg-primary:#222526;--color-bg-secondary:#292e2f;--color-bg-sign:#262828;--color-text-primary:#fff;--color-text-secondary:#999;--color-img-details:#c72d34;--color-img-primary:#adacac;--color-img-secondary:#86d3ff}*/
+            :root{--color-bg-primary:#222526;--color-bg-secondary:#292e2f;--color-bg-sign:#262828;--color-text-primary:#fff;--color-text-secondary:#999;--color-img-details:#c72d34;--color-img-primary:#adacac;--color-img-secondary:#86d3ff}
         }
         body,html{background-color:var(--color-bg-primary);color:var(--color-text-primary);font-family:Roboto,Helvetica,sans-serif;font-size:0;margin:0;padding:0;height:100vh;overflow-x:hidden}
         body{align-items:center;display:flex;justify-content:center;height:100vh}
@@ -85,7 +85,7 @@
         
     </div>
     <div class="picture">
-        <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 600 480" x="0px" y="0px" xml:space="preserve" class="pic">
+        <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 600 480" x="0px" y="0px" xml:space="preserve">
             <rect y="0" class="st0" width="600" height="480"></rect>
             <radialgradient id="svg-background-gradient" cx="328.1394" cy="306.3561" r="219.5134" gradientUnits="userSpaceOnUse">
                 <stop offset="0" style="stop-color:var(--color-bg-secondary)"></stop>
@@ -178,11 +178,11 @@
 </main>
 <script>
     Array.prototype.forEach.call(document.getElementsByClassName('if-not-found'), function ($el) {
-        $el.style.display = "401".trim() === "404" ? 'block' : 'none';
+        $el.style.display = "401" === "404" ? 'block' : 'none';
     });
 
     Array.prototype.forEach.call(document.getElementsByClassName('if-maybe-wrong-uri'), function ($el) {
-        $el.style.display = ["401", "403", "404", "418", "505"].includes("401".trim()) ? 'block' : 'none';
+        $el.style.display = ["401", "403", "404", "418", "505"].includes("401") ? 'block' : 'none';
     });
 
     Array.prototype.forEach.call(document.getElementsByClassName('go-back'), function ($el) {
diff --git a/app-down/403.html b/app-down/403.html
index 2b745b2..6dcb6c3 100644
--- a/app-down/403.html
+++ b/app-down/403.html
@@ -16,7 +16,7 @@
     <style>
         :root{--color-bg-primary:#fff;--color-bg-secondary:#eef6fa;--color-bg-sign:#fff;--color-text-primary:#333;--color-text-secondary:#777;--color-img-details:#f62f37;--color-img-primary:#7990a1;--color-img-secondary:#00baff;--font-size-small:13px;--font-size-normal:16px;--font-size-large:45px}
         @media (prefers-color-scheme:dark){
-            /*:root{--color-bg-primary:#222526;--color-bg-secondary:#292e2f;--color-bg-sign:#262828;--color-text-primary:#fff;--color-text-secondary:#999;--color-img-details:#c72d34;--color-img-primary:#adacac;--color-img-secondary:#86d3ff}*/
+            :root{--color-bg-primary:#222526;--color-bg-secondary:#292e2f;--color-bg-sign:#262828;--color-text-primary:#fff;--color-text-secondary:#999;--color-img-details:#c72d34;--color-img-primary:#adacac;--color-img-secondary:#86d3ff}
         }
         body,html{background-color:var(--color-bg-primary);color:var(--color-text-primary);font-family:Roboto,Helvetica,sans-serif;font-size:0;margin:0;padding:0;height:100vh;overflow-x:hidden}
         body{align-items:center;display:flex;justify-content:center;height:100vh}
@@ -85,7 +85,7 @@
         
     </div>
     <div class="picture">
-        <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 600 480" x="0px" y="0px" xml:space="preserve" class="pic">
+        <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 600 480" x="0px" y="0px" xml:space="preserve">
             <rect y="0" class="st0" width="600" height="480"></rect>
             <radialgradient id="svg-background-gradient" cx="328.1394" cy="306.3561" r="219.5134" gradientUnits="userSpaceOnUse">
                 <stop offset="0" style="stop-color:var(--color-bg-secondary)"></stop>
@@ -178,11 +178,11 @@
 </main>
 <script>
     Array.prototype.forEach.call(document.getElementsByClassName('if-not-found'), function ($el) {
-        $el.style.display = "403".trim() === "404" ? 'block' : 'none';
+        $el.style.display = "403" === "404" ? 'block' : 'none';
     });
 
     Array.prototype.forEach.call(document.getElementsByClassName('if-maybe-wrong-uri'), function ($el) {
-        $el.style.display = ["401", "403", "404", "418", "505"].includes("403".trim()) ? 'block' : 'none';
+        $el.style.display = ["401", "403", "404", "418", "505"].includes("403") ? 'block' : 'none';
     });
 
     Array.prototype.forEach.call(document.getElementsByClassName('go-back'), function ($el) {
diff --git a/app-down/404.html b/app-down/404.html
index 4a3441b..65ae96c 100644
--- a/app-down/404.html
+++ b/app-down/404.html
@@ -16,7 +16,7 @@
     <style>
         :root{--color-bg-primary:#fff;--color-bg-secondary:#eef6fa;--color-bg-sign:#fff;--color-text-primary:#333;--color-text-secondary:#777;--color-img-details:#f62f37;--color-img-primary:#7990a1;--color-img-secondary:#00baff;--font-size-small:13px;--font-size-normal:16px;--font-size-large:45px}
         @media (prefers-color-scheme:dark){
-            /*:root{--color-bg-primary:#222526;--color-bg-secondary:#292e2f;--color-bg-sign:#262828;--color-text-primary:#fff;--color-text-secondary:#999;--color-img-details:#c72d34;--color-img-primary:#adacac;--color-img-secondary:#86d3ff}*/
+            :root{--color-bg-primary:#222526;--color-bg-secondary:#292e2f;--color-bg-sign:#262828;--color-text-primary:#fff;--color-text-secondary:#999;--color-img-details:#c72d34;--color-img-primary:#adacac;--color-img-secondary:#86d3ff}
         }
         body,html{background-color:var(--color-bg-primary);color:var(--color-text-primary);font-family:Roboto,Helvetica,sans-serif;font-size:0;margin:0;padding:0;height:100vh;overflow-x:hidden}
         body{align-items:center;display:flex;justify-content:center;height:100vh}
@@ -85,7 +85,7 @@
         
     </div>
     <div class="picture">
-        <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 600 480" x="0px" y="0px" xml:space="preserve" class="pic">
+        <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 600 480" x="0px" y="0px" xml:space="preserve">
             <rect y="0" class="st0" width="600" height="480"></rect>
             <radialgradient id="svg-background-gradient" cx="328.1394" cy="306.3561" r="219.5134" gradientUnits="userSpaceOnUse">
                 <stop offset="0" style="stop-color:var(--color-bg-secondary)"></stop>
@@ -178,11 +178,11 @@
 </main>
 <script>
     Array.prototype.forEach.call(document.getElementsByClassName('if-not-found'), function ($el) {
-        $el.style.display = "404".trim() === "404" ? 'block' : 'none';
+        $el.style.display = "404" === "404" ? 'block' : 'none';
     });
 
     Array.prototype.forEach.call(document.getElementsByClassName('if-maybe-wrong-uri'), function ($el) {
-        $el.style.display = ["401", "403", "404", "418", "505"].includes("404".trim()) ? 'block' : 'none';
+        $el.style.display = ["401", "403", "404", "418", "505"].includes("404") ? 'block' : 'none';
     });
 
     Array.prototype.forEach.call(document.getElementsByClassName('go-back'), function ($el) {
diff --git a/app-down/405.html b/app-down/405.html
index 4fc71cc..f6264c9 100644
--- a/app-down/405.html
+++ b/app-down/405.html
@@ -16,7 +16,7 @@
     <style>
         :root{--color-bg-primary:#fff;--color-bg-secondary:#eef6fa;--color-bg-sign:#fff;--color-text-primary:#333;--color-text-secondary:#777;--color-img-details:#f62f37;--color-img-primary:#7990a1;--color-img-secondary:#00baff;--font-size-small:13px;--font-size-normal:16px;--font-size-large:45px}
         @media (prefers-color-scheme:dark){
-            /*:root{--color-bg-primary:#222526;--color-bg-secondary:#292e2f;--color-bg-sign:#262828;--color-text-primary:#fff;--color-text-secondary:#999;--color-img-details:#c72d34;--color-img-primary:#adacac;--color-img-secondary:#86d3ff}*/
+            :root{--color-bg-primary:#222526;--color-bg-secondary:#292e2f;--color-bg-sign:#262828;--color-text-primary:#fff;--color-text-secondary:#999;--color-img-details:#c72d34;--color-img-primary:#adacac;--color-img-secondary:#86d3ff}
         }
         body,html{background-color:var(--color-bg-primary);color:var(--color-text-primary);font-family:Roboto,Helvetica,sans-serif;font-size:0;margin:0;padding:0;height:100vh;overflow-x:hidden}
         body{align-items:center;display:flex;justify-content:center;height:100vh}
@@ -85,7 +85,7 @@
         
     </div>
     <div class="picture">
-        <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 600 480" x="0px" y="0px" xml:space="preserve" class="pic">
+        <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 600 480" x="0px" y="0px" xml:space="preserve">
             <rect y="0" class="st0" width="600" height="480"></rect>
             <radialgradient id="svg-background-gradient" cx="328.1394" cy="306.3561" r="219.5134" gradientUnits="userSpaceOnUse">
                 <stop offset="0" style="stop-color:var(--color-bg-secondary)"></stop>
@@ -178,11 +178,11 @@
 </main>
 <script>
     Array.prototype.forEach.call(document.getElementsByClassName('if-not-found'), function ($el) {
-        $el.style.display = "405".trim() === "404" ? 'block' : 'none';
+        $el.style.display = "405" === "404" ? 'block' : 'none';
     });
 
     Array.prototype.forEach.call(document.getElementsByClassName('if-maybe-wrong-uri'), function ($el) {
-        $el.style.display = ["401", "403", "404", "418", "505"].includes("405".trim()) ? 'block' : 'none';
+        $el.style.display = ["401", "403", "404", "418", "505"].includes("405") ? 'block' : 'none';
     });
 
     Array.prototype.forEach.call(document.getElementsByClassName('go-back'), function ($el) {
diff --git a/app-down/407.html b/app-down/407.html
index 68b478e..00fe3b9 100644
--- a/app-down/407.html
+++ b/app-down/407.html
@@ -16,7 +16,7 @@
     <style>
         :root{--color-bg-primary:#fff;--color-bg-secondary:#eef6fa;--color-bg-sign:#fff;--color-text-primary:#333;--color-text-secondary:#777;--color-img-details:#f62f37;--color-img-primary:#7990a1;--color-img-secondary:#00baff;--font-size-small:13px;--font-size-normal:16px;--font-size-large:45px}
         @media (prefers-color-scheme:dark){
-            /*:root{--color-bg-primary:#222526;--color-bg-secondary:#292e2f;--color-bg-sign:#262828;--color-text-primary:#fff;--color-text-secondary:#999;--color-img-details:#c72d34;--color-img-primary:#adacac;--color-img-secondary:#86d3ff}*/
+            :root{--color-bg-primary:#222526;--color-bg-secondary:#292e2f;--color-bg-sign:#262828;--color-text-primary:#fff;--color-text-secondary:#999;--color-img-details:#c72d34;--color-img-primary:#adacac;--color-img-secondary:#86d3ff}
         }
         body,html{background-color:var(--color-bg-primary);color:var(--color-text-primary);font-family:Roboto,Helvetica,sans-serif;font-size:0;margin:0;padding:0;height:100vh;overflow-x:hidden}
         body{align-items:center;display:flex;justify-content:center;height:100vh}
@@ -85,7 +85,7 @@
         
     </div>
     <div class="picture">
-        <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 600 480" x="0px" y="0px" xml:space="preserve" class="pic">
+        <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 600 480" x="0px" y="0px" xml:space="preserve">
             <rect y="0" class="st0" width="600" height="480"></rect>
             <radialgradient id="svg-background-gradient" cx="328.1394" cy="306.3561" r="219.5134" gradientUnits="userSpaceOnUse">
                 <stop offset="0" style="stop-color:var(--color-bg-secondary)"></stop>
@@ -178,11 +178,11 @@
 </main>
 <script>
     Array.prototype.forEach.call(document.getElementsByClassName('if-not-found'), function ($el) {
-        $el.style.display = "407".trim() === "404" ? 'block' : 'none';
+        $el.style.display = "407" === "404" ? 'block' : 'none';
     });
 
     Array.prototype.forEach.call(document.getElementsByClassName('if-maybe-wrong-uri'), function ($el) {
-        $el.style.display = ["401", "403", "404", "418", "505"].includes("407".trim()) ? 'block' : 'none';
+        $el.style.display = ["401", "403", "404", "418", "505"].includes("407") ? 'block' : 'none';
     });
 
     Array.prototype.forEach.call(document.getElementsByClassName('go-back'), function ($el) {
diff --git a/app-down/408.html b/app-down/408.html
index 81506f6..8438101 100644
--- a/app-down/408.html
+++ b/app-down/408.html
@@ -16,7 +16,7 @@
     <style>
         :root{--color-bg-primary:#fff;--color-bg-secondary:#eef6fa;--color-bg-sign:#fff;--color-text-primary:#333;--color-text-secondary:#777;--color-img-details:#f62f37;--color-img-primary:#7990a1;--color-img-secondary:#00baff;--font-size-small:13px;--font-size-normal:16px;--font-size-large:45px}
         @media (prefers-color-scheme:dark){
-            /*:root{--color-bg-primary:#222526;--color-bg-secondary:#292e2f;--color-bg-sign:#262828;--color-text-primary:#fff;--color-text-secondary:#999;--color-img-details:#c72d34;--color-img-primary:#adacac;--color-img-secondary:#86d3ff}*/
+            :root{--color-bg-primary:#222526;--color-bg-secondary:#292e2f;--color-bg-sign:#262828;--color-text-primary:#fff;--color-text-secondary:#999;--color-img-details:#c72d34;--color-img-primary:#adacac;--color-img-secondary:#86d3ff}
         }
         body,html{background-color:var(--color-bg-primary);color:var(--color-text-primary);font-family:Roboto,Helvetica,sans-serif;font-size:0;margin:0;padding:0;height:100vh;overflow-x:hidden}
         body{align-items:center;display:flex;justify-content:center;height:100vh}
@@ -85,7 +85,7 @@
         
     </div>
     <div class="picture">
-        <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 600 480" x="0px" y="0px" xml:space="preserve" class="pic">
+        <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 600 480" x="0px" y="0px" xml:space="preserve">
             <rect y="0" class="st0" width="600" height="480"></rect>
             <radialgradient id="svg-background-gradient" cx="328.1394" cy="306.3561" r="219.5134" gradientUnits="userSpaceOnUse">
                 <stop offset="0" style="stop-color:var(--color-bg-secondary)"></stop>
@@ -178,11 +178,11 @@
 </main>
 <script>
     Array.prototype.forEach.call(document.getElementsByClassName('if-not-found'), function ($el) {
-        $el.style.display = "408".trim() === "404" ? 'block' : 'none';
+        $el.style.display = "408" === "404" ? 'block' : 'none';
     });
 
     Array.prototype.forEach.call(document.getElementsByClassName('if-maybe-wrong-uri'), function ($el) {
-        $el.style.display = ["401", "403", "404", "418", "505"].includes("408".trim()) ? 'block' : 'none';
+        $el.style.display = ["401", "403", "404", "418", "505"].includes("408") ? 'block' : 'none';
     });
 
     Array.prototype.forEach.call(document.getElementsByClassName('go-back'), function ($el) {
diff --git a/app-down/409.html b/app-down/409.html
index 934c91a..e4ede1c 100644
--- a/app-down/409.html
+++ b/app-down/409.html
@@ -16,7 +16,7 @@
     <style>
         :root{--color-bg-primary:#fff;--color-bg-secondary:#eef6fa;--color-bg-sign:#fff;--color-text-primary:#333;--color-text-secondary:#777;--color-img-details:#f62f37;--color-img-primary:#7990a1;--color-img-secondary:#00baff;--font-size-small:13px;--font-size-normal:16px;--font-size-large:45px}
         @media (prefers-color-scheme:dark){
-            /*:root{--color-bg-primary:#222526;--color-bg-secondary:#292e2f;--color-bg-sign:#262828;--color-text-primary:#fff;--color-text-secondary:#999;--color-img-details:#c72d34;--color-img-primary:#adacac;--color-img-secondary:#86d3ff}*/
+            :root{--color-bg-primary:#222526;--color-bg-secondary:#292e2f;--color-bg-sign:#262828;--color-text-primary:#fff;--color-text-secondary:#999;--color-img-details:#c72d34;--color-img-primary:#adacac;--color-img-secondary:#86d3ff}
         }
         body,html{background-color:var(--color-bg-primary);color:var(--color-text-primary);font-family:Roboto,Helvetica,sans-serif;font-size:0;margin:0;padding:0;height:100vh;overflow-x:hidden}
         body{align-items:center;display:flex;justify-content:center;height:100vh}
@@ -85,7 +85,7 @@
         
     </div>
     <div class="picture">
-        <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 600 480" x="0px" y="0px" xml:space="preserve" class="pic">
+        <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 600 480" x="0px" y="0px" xml:space="preserve">
             <rect y="0" class="st0" width="600" height="480"></rect>
             <radialgradient id="svg-background-gradient" cx="328.1394" cy="306.3561" r="219.5134" gradientUnits="userSpaceOnUse">
                 <stop offset="0" style="stop-color:var(--color-bg-secondary)"></stop>
@@ -178,11 +178,11 @@
 </main>
 <script>
     Array.prototype.forEach.call(document.getElementsByClassName('if-not-found'), function ($el) {
-        $el.style.display = "409".trim() === "404" ? 'block' : 'none';
+        $el.style.display = "409" === "404" ? 'block' : 'none';
     });
 
     Array.prototype.forEach.call(document.getElementsByClassName('if-maybe-wrong-uri'), function ($el) {
-        $el.style.display = ["401", "403", "404", "418", "505"].includes("409".trim()) ? 'block' : 'none';
+        $el.style.display = ["401", "403", "404", "418", "505"].includes("409") ? 'block' : 'none';
     });
 
     Array.prototype.forEach.call(document.getElementsByClassName('go-back'), function ($el) {
diff --git a/app-down/410.html b/app-down/410.html
index 2ebc40c..fc2ba37 100644
--- a/app-down/410.html
+++ b/app-down/410.html
@@ -16,7 +16,7 @@
     <style>
         :root{--color-bg-primary:#fff;--color-bg-secondary:#eef6fa;--color-bg-sign:#fff;--color-text-primary:#333;--color-text-secondary:#777;--color-img-details:#f62f37;--color-img-primary:#7990a1;--color-img-secondary:#00baff;--font-size-small:13px;--font-size-normal:16px;--font-size-large:45px}
         @media (prefers-color-scheme:dark){
-            /*:root{--color-bg-primary:#222526;--color-bg-secondary:#292e2f;--color-bg-sign:#262828;--color-text-primary:#fff;--color-text-secondary:#999;--color-img-details:#c72d34;--color-img-primary:#adacac;--color-img-secondary:#86d3ff}*/
+            :root{--color-bg-primary:#222526;--color-bg-secondary:#292e2f;--color-bg-sign:#262828;--color-text-primary:#fff;--color-text-secondary:#999;--color-img-details:#c72d34;--color-img-primary:#adacac;--color-img-secondary:#86d3ff}
         }
         body,html{background-color:var(--color-bg-primary);color:var(--color-text-primary);font-family:Roboto,Helvetica,sans-serif;font-size:0;margin:0;padding:0;height:100vh;overflow-x:hidden}
         body{align-items:center;display:flex;justify-content:center;height:100vh}
@@ -85,7 +85,7 @@
         
     </div>
     <div class="picture">
-        <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 600 480" x="0px" y="0px" xml:space="preserve" class="pic">
+        <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 600 480" x="0px" y="0px" xml:space="preserve">
             <rect y="0" class="st0" width="600" height="480"></rect>
             <radialgradient id="svg-background-gradient" cx="328.1394" cy="306.3561" r="219.5134" gradientUnits="userSpaceOnUse">
                 <stop offset="0" style="stop-color:var(--color-bg-secondary)"></stop>
@@ -178,11 +178,11 @@
 </main>
 <script>
     Array.prototype.forEach.call(document.getElementsByClassName('if-not-found'), function ($el) {
-        $el.style.display = "410".trim() === "404" ? 'block' : 'none';
+        $el.style.display = "410" === "404" ? 'block' : 'none';
     });
 
     Array.prototype.forEach.call(document.getElementsByClassName('if-maybe-wrong-uri'), function ($el) {
-        $el.style.display = ["401", "403", "404", "418", "505"].includes("410".trim()) ? 'block' : 'none';
+        $el.style.display = ["401", "403", "404", "418", "505"].includes("410") ? 'block' : 'none';
     });
 
     Array.prototype.forEach.call(document.getElementsByClassName('go-back'), function ($el) {
diff --git a/app-down/411.html b/app-down/411.html
index c57111e..b1f37ee 100644
--- a/app-down/411.html
+++ b/app-down/411.html
@@ -16,7 +16,7 @@
     <style>
         :root{--color-bg-primary:#fff;--color-bg-secondary:#eef6fa;--color-bg-sign:#fff;--color-text-primary:#333;--color-text-secondary:#777;--color-img-details:#f62f37;--color-img-primary:#7990a1;--color-img-secondary:#00baff;--font-size-small:13px;--font-size-normal:16px;--font-size-large:45px}
         @media (prefers-color-scheme:dark){
-            /*:root{--color-bg-primary:#222526;--color-bg-secondary:#292e2f;--color-bg-sign:#262828;--color-text-primary:#fff;--color-text-secondary:#999;--color-img-details:#c72d34;--color-img-primary:#adacac;--color-img-secondary:#86d3ff}*/
+            :root{--color-bg-primary:#222526;--color-bg-secondary:#292e2f;--color-bg-sign:#262828;--color-text-primary:#fff;--color-text-secondary:#999;--color-img-details:#c72d34;--color-img-primary:#adacac;--color-img-secondary:#86d3ff}
         }
         body,html{background-color:var(--color-bg-primary);color:var(--color-text-primary);font-family:Roboto,Helvetica,sans-serif;font-size:0;margin:0;padding:0;height:100vh;overflow-x:hidden}
         body{align-items:center;display:flex;justify-content:center;height:100vh}
@@ -85,7 +85,7 @@
         
     </div>
     <div class="picture">
-        <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 600 480" x="0px" y="0px" xml:space="preserve" class="pic">
+        <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 600 480" x="0px" y="0px" xml:space="preserve">
             <rect y="0" class="st0" width="600" height="480"></rect>
             <radialgradient id="svg-background-gradient" cx="328.1394" cy="306.3561" r="219.5134" gradientUnits="userSpaceOnUse">
                 <stop offset="0" style="stop-color:var(--color-bg-secondary)"></stop>
@@ -178,11 +178,11 @@
 </main>
 <script>
     Array.prototype.forEach.call(document.getElementsByClassName('if-not-found'), function ($el) {
-        $el.style.display = "411".trim() === "404" ? 'block' : 'none';
+        $el.style.display = "411" === "404" ? 'block' : 'none';
     });
 
     Array.prototype.forEach.call(document.getElementsByClassName('if-maybe-wrong-uri'), function ($el) {
-        $el.style.display = ["401", "403", "404", "418", "505"].includes("411".trim()) ? 'block' : 'none';
+        $el.style.display = ["401", "403", "404", "418", "505"].includes("411") ? 'block' : 'none';
     });
 
     Array.prototype.forEach.call(document.getElementsByClassName('go-back'), function ($el) {
diff --git a/app-down/412.html b/app-down/412.html
index cc4cc92..3be2919 100644
--- a/app-down/412.html
+++ b/app-down/412.html
@@ -16,7 +16,7 @@
     <style>
         :root{--color-bg-primary:#fff;--color-bg-secondary:#eef6fa;--color-bg-sign:#fff;--color-text-primary:#333;--color-text-secondary:#777;--color-img-details:#f62f37;--color-img-primary:#7990a1;--color-img-secondary:#00baff;--font-size-small:13px;--font-size-normal:16px;--font-size-large:45px}
         @media (prefers-color-scheme:dark){
-            /*:root{--color-bg-primary:#222526;--color-bg-secondary:#292e2f;--color-bg-sign:#262828;--color-text-primary:#fff;--color-text-secondary:#999;--color-img-details:#c72d34;--color-img-primary:#adacac;--color-img-secondary:#86d3ff}*/
+            :root{--color-bg-primary:#222526;--color-bg-secondary:#292e2f;--color-bg-sign:#262828;--color-text-primary:#fff;--color-text-secondary:#999;--color-img-details:#c72d34;--color-img-primary:#adacac;--color-img-secondary:#86d3ff}
         }
         body,html{background-color:var(--color-bg-primary);color:var(--color-text-primary);font-family:Roboto,Helvetica,sans-serif;font-size:0;margin:0;padding:0;height:100vh;overflow-x:hidden}
         body{align-items:center;display:flex;justify-content:center;height:100vh}
@@ -85,7 +85,7 @@
         
     </div>
     <div class="picture">
-        <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 600 480" x="0px" y="0px" xml:space="preserve" class="pic">
+        <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 600 480" x="0px" y="0px" xml:space="preserve">
             <rect y="0" class="st0" width="600" height="480"></rect>
             <radialgradient id="svg-background-gradient" cx="328.1394" cy="306.3561" r="219.5134" gradientUnits="userSpaceOnUse">
                 <stop offset="0" style="stop-color:var(--color-bg-secondary)"></stop>
@@ -178,11 +178,11 @@
 </main>
 <script>
     Array.prototype.forEach.call(document.getElementsByClassName('if-not-found'), function ($el) {
-        $el.style.display = "412".trim() === "404" ? 'block' : 'none';
+        $el.style.display = "412" === "404" ? 'block' : 'none';
     });
 
     Array.prototype.forEach.call(document.getElementsByClassName('if-maybe-wrong-uri'), function ($el) {
-        $el.style.display = ["401", "403", "404", "418", "505"].includes("412".trim()) ? 'block' : 'none';
+        $el.style.display = ["401", "403", "404", "418", "505"].includes("412") ? 'block' : 'none';
     });
 
     Array.prototype.forEach.call(document.getElementsByClassName('go-back'), function ($el) {
diff --git a/app-down/413.html b/app-down/413.html
index 17e6316..4e48744 100644
--- a/app-down/413.html
+++ b/app-down/413.html
@@ -16,7 +16,7 @@
     <style>
         :root{--color-bg-primary:#fff;--color-bg-secondary:#eef6fa;--color-bg-sign:#fff;--color-text-primary:#333;--color-text-secondary:#777;--color-img-details:#f62f37;--color-img-primary:#7990a1;--color-img-secondary:#00baff;--font-size-small:13px;--font-size-normal:16px;--font-size-large:45px}
         @media (prefers-color-scheme:dark){
-            /*:root{--color-bg-primary:#222526;--color-bg-secondary:#292e2f;--color-bg-sign:#262828;--color-text-primary:#fff;--color-text-secondary:#999;--color-img-details:#c72d34;--color-img-primary:#adacac;--color-img-secondary:#86d3ff}*/
+            :root{--color-bg-primary:#222526;--color-bg-secondary:#292e2f;--color-bg-sign:#262828;--color-text-primary:#fff;--color-text-secondary:#999;--color-img-details:#c72d34;--color-img-primary:#adacac;--color-img-secondary:#86d3ff}
         }
         body,html{background-color:var(--color-bg-primary);color:var(--color-text-primary);font-family:Roboto,Helvetica,sans-serif;font-size:0;margin:0;padding:0;height:100vh;overflow-x:hidden}
         body{align-items:center;display:flex;justify-content:center;height:100vh}
@@ -85,7 +85,7 @@
         
     </div>
     <div class="picture">
-        <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 600 480" x="0px" y="0px" xml:space="preserve" class="pic">
+        <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 600 480" x="0px" y="0px" xml:space="preserve">
             <rect y="0" class="st0" width="600" height="480"></rect>
             <radialgradient id="svg-background-gradient" cx="328.1394" cy="306.3561" r="219.5134" gradientUnits="userSpaceOnUse">
                 <stop offset="0" style="stop-color:var(--color-bg-secondary)"></stop>
@@ -178,11 +178,11 @@
 </main>
 <script>
     Array.prototype.forEach.call(document.getElementsByClassName('if-not-found'), function ($el) {
-        $el.style.display = "413".trim() === "404" ? 'block' : 'none';
+        $el.style.display = "413" === "404" ? 'block' : 'none';
     });
 
     Array.prototype.forEach.call(document.getElementsByClassName('if-maybe-wrong-uri'), function ($el) {
-        $el.style.display = ["401", "403", "404", "418", "505"].includes("413".trim()) ? 'block' : 'none';
+        $el.style.display = ["401", "403", "404", "418", "505"].includes("413") ? 'block' : 'none';
     });
 
     Array.prototype.forEach.call(document.getElementsByClassName('go-back'), function ($el) {
diff --git a/app-down/416.html b/app-down/416.html
index 8c1ab41..2851898 100644
--- a/app-down/416.html
+++ b/app-down/416.html
@@ -16,7 +16,7 @@
     <style>
         :root{--color-bg-primary:#fff;--color-bg-secondary:#eef6fa;--color-bg-sign:#fff;--color-text-primary:#333;--color-text-secondary:#777;--color-img-details:#f62f37;--color-img-primary:#7990a1;--color-img-secondary:#00baff;--font-size-small:13px;--font-size-normal:16px;--font-size-large:45px}
         @media (prefers-color-scheme:dark){
-            /*:root{--color-bg-primary:#222526;--color-bg-secondary:#292e2f;--color-bg-sign:#262828;--color-text-primary:#fff;--color-text-secondary:#999;--color-img-details:#c72d34;--color-img-primary:#adacac;--color-img-secondary:#86d3ff}*/
+            :root{--color-bg-primary:#222526;--color-bg-secondary:#292e2f;--color-bg-sign:#262828;--color-text-primary:#fff;--color-text-secondary:#999;--color-img-details:#c72d34;--color-img-primary:#adacac;--color-img-secondary:#86d3ff}
         }
         body,html{background-color:var(--color-bg-primary);color:var(--color-text-primary);font-family:Roboto,Helvetica,sans-serif;font-size:0;margin:0;padding:0;height:100vh;overflow-x:hidden}
         body{align-items:center;display:flex;justify-content:center;height:100vh}
@@ -85,7 +85,7 @@
         
     </div>
     <div class="picture">
-        <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 600 480" x="0px" y="0px" xml:space="preserve" class="pic">
+        <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 600 480" x="0px" y="0px" xml:space="preserve">
             <rect y="0" class="st0" width="600" height="480"></rect>
             <radialgradient id="svg-background-gradient" cx="328.1394" cy="306.3561" r="219.5134" gradientUnits="userSpaceOnUse">
                 <stop offset="0" style="stop-color:var(--color-bg-secondary)"></stop>
@@ -178,11 +178,11 @@
 </main>
 <script>
     Array.prototype.forEach.call(document.getElementsByClassName('if-not-found'), function ($el) {
-        $el.style.display = "416".trim() === "404" ? 'block' : 'none';
+        $el.style.display = "416" === "404" ? 'block' : 'none';
     });
 
     Array.prototype.forEach.call(document.getElementsByClassName('if-maybe-wrong-uri'), function ($el) {
-        $el.style.display = ["401", "403", "404", "418", "505"].includes("416".trim()) ? 'block' : 'none';
+        $el.style.display = ["401", "403", "404", "418", "505"].includes("416") ? 'block' : 'none';
     });
 
     Array.prototype.forEach.call(document.getElementsByClassName('go-back'), function ($el) {
diff --git a/app-down/418.html b/app-down/418.html
index 2a4cafd..96f4852 100644
--- a/app-down/418.html
+++ b/app-down/418.html
@@ -16,7 +16,7 @@
     <style>
         :root{--color-bg-primary:#fff;--color-bg-secondary:#eef6fa;--color-bg-sign:#fff;--color-text-primary:#333;--color-text-secondary:#777;--color-img-details:#f62f37;--color-img-primary:#7990a1;--color-img-secondary:#00baff;--font-size-small:13px;--font-size-normal:16px;--font-size-large:45px}
         @media (prefers-color-scheme:dark){
-            /*:root{--color-bg-primary:#222526;--color-bg-secondary:#292e2f;--color-bg-sign:#262828;--color-text-primary:#fff;--color-text-secondary:#999;--color-img-details:#c72d34;--color-img-primary:#adacac;--color-img-secondary:#86d3ff}*/
+            :root{--color-bg-primary:#222526;--color-bg-secondary:#292e2f;--color-bg-sign:#262828;--color-text-primary:#fff;--color-text-secondary:#999;--color-img-details:#c72d34;--color-img-primary:#adacac;--color-img-secondary:#86d3ff}
         }
         body,html{background-color:var(--color-bg-primary);color:var(--color-text-primary);font-family:Roboto,Helvetica,sans-serif;font-size:0;margin:0;padding:0;height:100vh;overflow-x:hidden}
         body{align-items:center;display:flex;justify-content:center;height:100vh}
@@ -85,7 +85,7 @@
         
     </div>
     <div class="picture">
-        <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 600 480" x="0px" y="0px" xml:space="preserve" class="pic">
+        <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 600 480" x="0px" y="0px" xml:space="preserve">
             <rect y="0" class="st0" width="600" height="480"></rect>
             <radialgradient id="svg-background-gradient" cx="328.1394" cy="306.3561" r="219.5134" gradientUnits="userSpaceOnUse">
                 <stop offset="0" style="stop-color:var(--color-bg-secondary)"></stop>
@@ -178,11 +178,11 @@
 </main>
 <script>
     Array.prototype.forEach.call(document.getElementsByClassName('if-not-found'), function ($el) {
-        $el.style.display = "418".trim() === "404" ? 'block' : 'none';
+        $el.style.display = "418" === "404" ? 'block' : 'none';
     });
 
     Array.prototype.forEach.call(document.getElementsByClassName('if-maybe-wrong-uri'), function ($el) {
-        $el.style.display = ["401", "403", "404", "418", "505"].includes("418".trim()) ? 'block' : 'none';
+        $el.style.display = ["401", "403", "404", "418", "505"].includes("418") ? 'block' : 'none';
     });
 
     Array.prototype.forEach.call(document.getElementsByClassName('go-back'), function ($el) {
diff --git a/app-down/429.html b/app-down/429.html
index 4d149b5..1321df6 100644
--- a/app-down/429.html
+++ b/app-down/429.html
@@ -16,7 +16,7 @@
     <style>
         :root{--color-bg-primary:#fff;--color-bg-secondary:#eef6fa;--color-bg-sign:#fff;--color-text-primary:#333;--color-text-secondary:#777;--color-img-details:#f62f37;--color-img-primary:#7990a1;--color-img-secondary:#00baff;--font-size-small:13px;--font-size-normal:16px;--font-size-large:45px}
         @media (prefers-color-scheme:dark){
-            /*:root{--color-bg-primary:#222526;--color-bg-secondary:#292e2f;--color-bg-sign:#262828;--color-text-primary:#fff;--color-text-secondary:#999;--color-img-details:#c72d34;--color-img-primary:#adacac;--color-img-secondary:#86d3ff}*/
+            :root{--color-bg-primary:#222526;--color-bg-secondary:#292e2f;--color-bg-sign:#262828;--color-text-primary:#fff;--color-text-secondary:#999;--color-img-details:#c72d34;--color-img-primary:#adacac;--color-img-secondary:#86d3ff}
         }
         body,html{background-color:var(--color-bg-primary);color:var(--color-text-primary);font-family:Roboto,Helvetica,sans-serif;font-size:0;margin:0;padding:0;height:100vh;overflow-x:hidden}
         body{align-items:center;display:flex;justify-content:center;height:100vh}
@@ -85,7 +85,7 @@
         
     </div>
     <div class="picture">
-        <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 600 480" x="0px" y="0px" xml:space="preserve" class="pic">
+        <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 600 480" x="0px" y="0px" xml:space="preserve">
             <rect y="0" class="st0" width="600" height="480"></rect>
             <radialgradient id="svg-background-gradient" cx="328.1394" cy="306.3561" r="219.5134" gradientUnits="userSpaceOnUse">
                 <stop offset="0" style="stop-color:var(--color-bg-secondary)"></stop>
@@ -178,11 +178,11 @@
 </main>
 <script>
     Array.prototype.forEach.call(document.getElementsByClassName('if-not-found'), function ($el) {
-        $el.style.display = "429".trim() === "404" ? 'block' : 'none';
+        $el.style.display = "429" === "404" ? 'block' : 'none';
     });
 
     Array.prototype.forEach.call(document.getElementsByClassName('if-maybe-wrong-uri'), function ($el) {
-        $el.style.display = ["401", "403", "404", "418", "505"].includes("429".trim()) ? 'block' : 'none';
+        $el.style.display = ["401", "403", "404", "418", "505"].includes("429") ? 'block' : 'none';
     });
 
     Array.prototype.forEach.call(document.getElementsByClassName('go-back'), function ($el) {
diff --git a/app-down/500.html b/app-down/500.html
index 4ce013f..92eadd1 100644
--- a/app-down/500.html
+++ b/app-down/500.html
@@ -16,7 +16,7 @@
     <style>
         :root{--color-bg-primary:#fff;--color-bg-secondary:#eef6fa;--color-bg-sign:#fff;--color-text-primary:#333;--color-text-secondary:#777;--color-img-details:#f62f37;--color-img-primary:#7990a1;--color-img-secondary:#00baff;--font-size-small:13px;--font-size-normal:16px;--font-size-large:45px}
         @media (prefers-color-scheme:dark){
-            /*:root{--color-bg-primary:#222526;--color-bg-secondary:#292e2f;--color-bg-sign:#262828;--color-text-primary:#fff;--color-text-secondary:#999;--color-img-details:#c72d34;--color-img-primary:#adacac;--color-img-secondary:#86d3ff}*/
+            :root{--color-bg-primary:#222526;--color-bg-secondary:#292e2f;--color-bg-sign:#262828;--color-text-primary:#fff;--color-text-secondary:#999;--color-img-details:#c72d34;--color-img-primary:#adacac;--color-img-secondary:#86d3ff}
         }
         body,html{background-color:var(--color-bg-primary);color:var(--color-text-primary);font-family:Roboto,Helvetica,sans-serif;font-size:0;margin:0;padding:0;height:100vh;overflow-x:hidden}
         body{align-items:center;display:flex;justify-content:center;height:100vh}
@@ -85,7 +85,7 @@
         
     </div>
     <div class="picture">
-        <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 600 480" x="0px" y="0px" xml:space="preserve" class="pic">
+        <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 600 480" x="0px" y="0px" xml:space="preserve">
             <rect y="0" class="st0" width="600" height="480"></rect>
             <radialgradient id="svg-background-gradient" cx="328.1394" cy="306.3561" r="219.5134" gradientUnits="userSpaceOnUse">
                 <stop offset="0" style="stop-color:var(--color-bg-secondary)"></stop>
@@ -178,11 +178,11 @@
 </main>
 <script>
     Array.prototype.forEach.call(document.getElementsByClassName('if-not-found'), function ($el) {
-        $el.style.display = "500".trim() === "404" ? 'block' : 'none';
+        $el.style.display = "500" === "404" ? 'block' : 'none';
     });
 
     Array.prototype.forEach.call(document.getElementsByClassName('if-maybe-wrong-uri'), function ($el) {
-        $el.style.display = ["401", "403", "404", "418", "505"].includes("500".trim()) ? 'block' : 'none';
+        $el.style.display = ["401", "403", "404", "418", "505"].includes("500") ? 'block' : 'none';
     });
 
     Array.prototype.forEach.call(document.getElementsByClassName('go-back'), function ($el) {
diff --git a/app-down/502.html b/app-down/502.html
index 2176054..f187574 100644
--- a/app-down/502.html
+++ b/app-down/502.html
@@ -16,7 +16,7 @@
     <style>
         :root{--color-bg-primary:#fff;--color-bg-secondary:#eef6fa;--color-bg-sign:#fff;--color-text-primary:#333;--color-text-secondary:#777;--color-img-details:#f62f37;--color-img-primary:#7990a1;--color-img-secondary:#00baff;--font-size-small:13px;--font-size-normal:16px;--font-size-large:45px}
         @media (prefers-color-scheme:dark){
-            /*:root{--color-bg-primary:#222526;--color-bg-secondary:#292e2f;--color-bg-sign:#262828;--color-text-primary:#fff;--color-text-secondary:#999;--color-img-details:#c72d34;--color-img-primary:#adacac;--color-img-secondary:#86d3ff}*/
+            :root{--color-bg-primary:#222526;--color-bg-secondary:#292e2f;--color-bg-sign:#262828;--color-text-primary:#fff;--color-text-secondary:#999;--color-img-details:#c72d34;--color-img-primary:#adacac;--color-img-secondary:#86d3ff}
         }
         body,html{background-color:var(--color-bg-primary);color:var(--color-text-primary);font-family:Roboto,Helvetica,sans-serif;font-size:0;margin:0;padding:0;height:100vh;overflow-x:hidden}
         body{align-items:center;display:flex;justify-content:center;height:100vh}
@@ -85,7 +85,7 @@
         
     </div>
     <div class="picture">
-        <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 600 480" x="0px" y="0px" xml:space="preserve" class="pic">
+        <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 600 480" x="0px" y="0px" xml:space="preserve">
             <rect y="0" class="st0" width="600" height="480"></rect>
             <radialgradient id="svg-background-gradient" cx="328.1394" cy="306.3561" r="219.5134" gradientUnits="userSpaceOnUse">
                 <stop offset="0" style="stop-color:var(--color-bg-secondary)"></stop>
@@ -178,11 +178,11 @@
 </main>
 <script>
     Array.prototype.forEach.call(document.getElementsByClassName('if-not-found'), function ($el) {
-        $el.style.display = "502".trim() === "404" ? 'block' : 'none';
+        $el.style.display = "502" === "404" ? 'block' : 'none';
     });
 
     Array.prototype.forEach.call(document.getElementsByClassName('if-maybe-wrong-uri'), function ($el) {
-        $el.style.display = ["401", "403", "404", "418", "505"].includes("502".trim()) ? 'block' : 'none';
+        $el.style.display = ["401", "403", "404", "418", "505"].includes("502") ? 'block' : 'none';
     });
 
     Array.prototype.forEach.call(document.getElementsByClassName('go-back'), function ($el) {
diff --git a/app-down/503.html b/app-down/503.html
index 20090f0..436e155 100644
--- a/app-down/503.html
+++ b/app-down/503.html
@@ -16,7 +16,7 @@
     <style>
         :root{--color-bg-primary:#fff;--color-bg-secondary:#eef6fa;--color-bg-sign:#fff;--color-text-primary:#333;--color-text-secondary:#777;--color-img-details:#f62f37;--color-img-primary:#7990a1;--color-img-secondary:#00baff;--font-size-small:13px;--font-size-normal:16px;--font-size-large:45px}
         @media (prefers-color-scheme:dark){
-            /*:root{--color-bg-primary:#222526;--color-bg-secondary:#292e2f;--color-bg-sign:#262828;--color-text-primary:#fff;--color-text-secondary:#999;--color-img-details:#c72d34;--color-img-primary:#adacac;--color-img-secondary:#86d3ff}*/
+            :root{--color-bg-primary:#222526;--color-bg-secondary:#292e2f;--color-bg-sign:#262828;--color-text-primary:#fff;--color-text-secondary:#999;--color-img-details:#c72d34;--color-img-primary:#adacac;--color-img-secondary:#86d3ff}
         }
         body,html{background-color:var(--color-bg-primary);color:var(--color-text-primary);font-family:Roboto,Helvetica,sans-serif;font-size:0;margin:0;padding:0;height:100vh;overflow-x:hidden}
         body{align-items:center;display:flex;justify-content:center;height:100vh}
@@ -85,7 +85,7 @@
         
     </div>
     <div class="picture">
-        <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 600 480" x="0px" y="0px" xml:space="preserve" class="pic">
+        <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 600 480" x="0px" y="0px" xml:space="preserve">
             <rect y="0" class="st0" width="600" height="480"></rect>
             <radialgradient id="svg-background-gradient" cx="328.1394" cy="306.3561" r="219.5134" gradientUnits="userSpaceOnUse">
                 <stop offset="0" style="stop-color:var(--color-bg-secondary)"></stop>
@@ -178,11 +178,11 @@
 </main>
 <script>
     Array.prototype.forEach.call(document.getElementsByClassName('if-not-found'), function ($el) {
-        $el.style.display = "503".trim() === "404" ? 'block' : 'none';
+        $el.style.display = "503" === "404" ? 'block' : 'none';
     });
 
     Array.prototype.forEach.call(document.getElementsByClassName('if-maybe-wrong-uri'), function ($el) {
-        $el.style.display = ["401", "403", "404", "418", "505"].includes("503".trim()) ? 'block' : 'none';
+        $el.style.display = ["401", "403", "404", "418", "505"].includes("503") ? 'block' : 'none';
     });
 
     Array.prototype.forEach.call(document.getElementsByClassName('go-back'), function ($el) {
diff --git a/app-down/504.html b/app-down/504.html
index fb88f9a..9495dd6 100644
--- a/app-down/504.html
+++ b/app-down/504.html
@@ -16,7 +16,7 @@
     <style>
         :root{--color-bg-primary:#fff;--color-bg-secondary:#eef6fa;--color-bg-sign:#fff;--color-text-primary:#333;--color-text-secondary:#777;--color-img-details:#f62f37;--color-img-primary:#7990a1;--color-img-secondary:#00baff;--font-size-small:13px;--font-size-normal:16px;--font-size-large:45px}
         @media (prefers-color-scheme:dark){
-            /*:root{--color-bg-primary:#222526;--color-bg-secondary:#292e2f;--color-bg-sign:#262828;--color-text-primary:#fff;--color-text-secondary:#999;--color-img-details:#c72d34;--color-img-primary:#adacac;--color-img-secondary:#86d3ff}*/
+            :root{--color-bg-primary:#222526;--color-bg-secondary:#292e2f;--color-bg-sign:#262828;--color-text-primary:#fff;--color-text-secondary:#999;--color-img-details:#c72d34;--color-img-primary:#adacac;--color-img-secondary:#86d3ff}
         }
         body,html{background-color:var(--color-bg-primary);color:var(--color-text-primary);font-family:Roboto,Helvetica,sans-serif;font-size:0;margin:0;padding:0;height:100vh;overflow-x:hidden}
         body{align-items:center;display:flex;justify-content:center;height:100vh}
@@ -85,7 +85,7 @@
         
     </div>
     <div class="picture">
-        <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 600 480" x="0px" y="0px" xml:space="preserve" class="pic">
+        <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 600 480" x="0px" y="0px" xml:space="preserve">
             <rect y="0" class="st0" width="600" height="480"></rect>
             <radialgradient id="svg-background-gradient" cx="328.1394" cy="306.3561" r="219.5134" gradientUnits="userSpaceOnUse">
                 <stop offset="0" style="stop-color:var(--color-bg-secondary)"></stop>
@@ -178,11 +178,11 @@
 </main>
 <script>
     Array.prototype.forEach.call(document.getElementsByClassName('if-not-found'), function ($el) {
-        $el.style.display = "504".trim() === "404" ? 'block' : 'none';
+        $el.style.display = "504" === "404" ? 'block' : 'none';
     });
 
     Array.prototype.forEach.call(document.getElementsByClassName('if-maybe-wrong-uri'), function ($el) {
-        $el.style.display = ["401", "403", "404", "418", "505"].includes("504".trim()) ? 'block' : 'none';
+        $el.style.display = ["401", "403", "404", "418", "505"].includes("504") ? 'block' : 'none';
     });
 
     Array.prototype.forEach.call(document.getElementsByClassName('go-back'), function ($el) {
diff --git a/app-down/505.html b/app-down/505.html
index 2e210c4..9f1de2f 100644
--- a/app-down/505.html
+++ b/app-down/505.html
@@ -16,7 +16,7 @@
     <style>
         :root{--color-bg-primary:#fff;--color-bg-secondary:#eef6fa;--color-bg-sign:#fff;--color-text-primary:#333;--color-text-secondary:#777;--color-img-details:#f62f37;--color-img-primary:#7990a1;--color-img-secondary:#00baff;--font-size-small:13px;--font-size-normal:16px;--font-size-large:45px}
         @media (prefers-color-scheme:dark){
-            /*:root{--color-bg-primary:#222526;--color-bg-secondary:#292e2f;--color-bg-sign:#262828;--color-text-primary:#fff;--color-text-secondary:#999;--color-img-details:#c72d34;--color-img-primary:#adacac;--color-img-secondary:#86d3ff}*/
+            :root{--color-bg-primary:#222526;--color-bg-secondary:#292e2f;--color-bg-sign:#262828;--color-text-primary:#fff;--color-text-secondary:#999;--color-img-details:#c72d34;--color-img-primary:#adacac;--color-img-secondary:#86d3ff}
         }
         body,html{background-color:var(--color-bg-primary);color:var(--color-text-primary);font-family:Roboto,Helvetica,sans-serif;font-size:0;margin:0;padding:0;height:100vh;overflow-x:hidden}
         body{align-items:center;display:flex;justify-content:center;height:100vh}
@@ -85,7 +85,7 @@
         
     </div>
     <div class="picture">
-        <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 600 480" x="0px" y="0px" xml:space="preserve" class="pic">
+        <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 600 480" x="0px" y="0px" xml:space="preserve">
             <rect y="0" class="st0" width="600" height="480"></rect>
             <radialgradient id="svg-background-gradient" cx="328.1394" cy="306.3561" r="219.5134" gradientUnits="userSpaceOnUse">
                 <stop offset="0" style="stop-color:var(--color-bg-secondary)"></stop>
@@ -178,11 +178,11 @@
 </main>
 <script>
     Array.prototype.forEach.call(document.getElementsByClassName('if-not-found'), function ($el) {
-        $el.style.display = "505".trim() === "404" ? 'block' : 'none';
+        $el.style.display = "505" === "404" ? 'block' : 'none';
     });
 
     Array.prototype.forEach.call(document.getElementsByClassName('if-maybe-wrong-uri'), function ($el) {
-        $el.style.display = ["401", "403", "404", "418", "505"].includes("505".trim()) ? 'block' : 'none';
+        $el.style.display = ["401", "403", "404", "418", "505"].includes("505") ? 'block' : 'none';
     });
 
     Array.prototype.forEach.call(document.getElementsByClassName('go-back'), function ($el) {
diff --git a/index.html b/index.html
index 2e486e9..a360032 100644
--- a/index.html
+++ b/index.html
@@ -1,3 +1,4 @@
+<!DOCTYPE html>
 <html lang="en">
 <head>
     <meta charset="utf-8" />
@@ -6,6 +7,11 @@
     <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/twitter-bootstrap/5.1.3/css/bootstrap.min.css"
           integrity="sha512-GQGU0fMMi238uA+a/bdWJfpUGKUkBdgfFdgBm72SUQ6BeyWjoY/ton0tEjH+OSH9iP4Dfh+7HM0I9f5eR0L/4w=="
           crossorigin="anonymous" referrerpolicy="no-referrer" />
+    <style>
+        @media (prefers-color-scheme:dark){
+            :root {--bs-light:#212529;--bs-light-rgb:33,37,41;--bs-body-color:#eee}a{color:#91b4e8}a:hover{color:#a2bfec}
+        }
+    </style>
 </head>
 <body class="bg-light">
 <div class="container">