Fix 404 page css (#6505)

* Filter page styles with main css class.

* Use class names to select page element.

public/404.html

@@ -48,13 +48,13 @@
       font-weight: 500;
     }
 
-    img {
+    .tv__inner--special, .tv__inner {
       max-width: 85%;
       width: 300px;
       border: 25px solid rgb(54, 55, 124);
       border-radius: 36px;
     }
-    p {
+    .tv__inner--text {
       text-align: center;
       max-width: 90%;
     }
@@ -96,7 +96,7 @@
           <br>
           <p class="tv__inner--text">This page does not exist <br><br> <a href="https://dev.to/">Return to Home Page</a></p>
         </div>
-      </div>      
+      </div>
   </div>
 </body>
 </html>