Visual changes + Update bootstrap to v5.3.3 + Reformat everything

404.html

@@ -1,31 +1,31 @@
 <style>
-@import url(https://fonts.googleapis.com/css2?family=Arvo);
+  @import url(https://fonts.googleapis.com/css2?family=Arvo);
 
-.page_404 {
+  .page_404 {
     padding: 40px 0;
     background: #fff;
-    font-family: "Arvo",serif
-}
+    font-family: "Arvo", serif
+  }
 
-.page_404 img {
+  .page_404 img {
     width: 100%
-}
+  }
 
-.four_zero_four_bg {
+  .four_zero_four_bg {
     background-image: url(https://cdn.dribbble.com/users/285475/screenshots/2083086/dribbble_1.gif);
     height: 400px;
     background-position: center
-}
+  }
 
-.four_zero_four_bg h1 {
+  .four_zero_four_bg h1 {
     font-size: 80px
-}
+  }
 
-.four_zero_four_bg h3 {
+  .four_zero_four_bg h3 {
     font-size: 80px
-}
+  }
 
-.link_404 {
+  .link_404 {
     color: #fff;
     padding: 10px 20px;
     background: #39ac31;
@@ -34,30 +34,30 @@
     -webkit-border-radius: 20px;
     -moz-border-radius: 20px;
     border-radius: 20px
-}
+  }
 
-.contant_box_404 {
+  .contant_box_404 {
     margin-top: -50px
-}
+  }
 
-.text-center {
+  .text-center {
     text-align: center
-}
+  }
 </style>
-  <section class="page_404">
-    <div class="container">
-      <div class="row">
-        <div class="col-sm-12">
-          <div class="col-sm-10 col-sm-offset-1 text-center">
-            <div class="four_zero_four_bg">
-              <h1 class="text-center">404</h1>
-            </div>
-            <div class="contant_box_404">
-              <h3 class="h2"> Imagine typing wrong... </h3>
-              <a href="index.html" class="link_404">Go back to homepage</a>
-            </div>
+<section class="page_404">
+  <div class="container">
+    <div class="row">
+      <div class="col-sm-12">
+        <div class="col-sm-10 col-sm-offset-1 text-center">
+          <div class="four_zero_four_bg">
+            <h1 class="text-center">404</h1>
+          </div>
+          <div class="contant_box_404">
+            <h3 class="h2"> Imagine typing wrong... </h3>
+            <a href="index.html" class="link_404">Go back to homepage</a>
           </div>
         </div>
       </div>
     </div>
-  </section>
+  </div>
+</section>