diff --git a/.htaccess b/.htaccess
index d23e092..0a982ff 100644
--- a/.htaccess
+++ b/.htaccess
@@ -1 +1 @@
-ErrorDocument 404	/404.html
\ No newline at end of file
+ErrorDocument 404	/404.html
diff --git a/404.html b/404.html
index c33d720..9debca8 100644
--- a/404.html
+++ b/404.html
@@ -1,64 +1,65 @@
-<!-- TODO Add HTML
-TODO Add link to `/` -->
-
 <!DOCTYPE html>
 <html lang="en">
-  <head>
-    <meta charset="UTF-8" />
-    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
+<head>
+    <meta charset="UTF-8"/>
+    <meta name="viewport" content="width=device-width, initial-scale=1.0"/>
     <title>404</title>
     <style>
-      * {
-        margin: 0;
-        padding: 0;
-        font-family: system-ui, -apple-system, "Segoe UI", Roboto, Oxygen,
-          Ubuntu, Cantarell, "Open Sans", "Helvetica Neue", sans-serif;
-      }
+        * {
+            margin: 0;
+            padding: 0;
+            font-family: system-ui, -apple-system, "Segoe UI", Roboto, Oxygen,
+            Ubuntu, Cantarell, "Open Sans", "Helvetica Neue", sans-serif;
+        }
+
+        body {
+            background-color: #212529;
+            color: #dee2e6;
+        }
 
-      body {
-        background-color: #212529;
-        color: #dee2e6;
-      }
+        #wrapper {
+            display: flex;
+            background-color: #212529 !important;
+            border: none;
+            width: 80%;
+            height: 90vh;
+            margin: 5vh auto;
+            justify-content: center;
+            align-items: center;
+            vertical-align: middle;
+            border-radius: 25px;
+        }
 
-      #wrapper {
-        display: flex;
-        background-color: #212529 !important;
-        border: 1px #dee2e6 solid;
-        width: 80%;
-        height: 90vh;
-        margin: 5vh auto;
-        justify-content: center;
-        align-items: center;
-        vertical-align: middle;
-        border-radius: 25px;
-      }
+        #content {
+            text-align: center;
+        }
 
-      #content {
-        text-align: center;
-      }
+        h1 {
+            font-size: 30vh;
+            line-height: 30vh;
+        }
 
-      h1 {
-        font-size: 30vh;
-        line-height: 30vh;
-      }
+        h2 {
+            margin: 2vh 0;
+        }
 
-      h2 {
-        margin: 2vh 0;
-      }
+        h2,
+        p {
+            color: #a1a8ae;
+        }
 
-      h2,
-      p {
-        color: #a1a8ae;
-      }
+        a {
+            color: rgb(110, 168, 254);
+        }
     </style>
-  </head>
-  <body>
-    <div id="wrapper">
-      <div id="content">
+</head>
+<body>
+<div id="wrapper">
+    <div id="content">
         <h1>404</h1>
         <h2>Oops! Page not found</h2>
-        <p>Sorry, the page you're looking for doesn't exist.</p>
-      </div>
+        <p>Sorry, the page you're looking for doesn't exist. Please, go to <a href="/">main page</a>.</p>
     </div>
-  </body>
+</div>
+</body>
 </html>
diff --git a/assets/favicons/site.webmanifest b/assets/favicons/site.webmanifest
index 45dc8a2..0b6a478 100644
--- a/assets/favicons/site.webmanifest
+++ b/assets/favicons/site.webmanifest
@@ -1 +1,19 @@
-{"name":"","short_name":"","icons":[{"src":"/android-chrome-192x192.png","sizes":"192x192","type":"image/png"},{"src":"/android-chrome-512x512.png","sizes":"512x512","type":"image/png"}],"theme_color":"#ffffff","background_color":"#ffffff","display":"standalone"}
\ No newline at end of file
+{
+   "name":"",
+   "short_name":"",
+   "icons":[
+      {
+         "src":"/android-chrome-192x192.png",
+         "sizes":"192x192",
+         "type":"image/png"
+      },
+      {
+         "src":"/android-chrome-512x512.png",
+         "sizes":"512x512",
+         "type":"image/png"
+      }
+   ],
+   "theme_color":"#ffffff",
+   "background_color":"#ffffff",
+   "display":"standalone"
+}
