i dont know what ive changed

header.js

@@ -32,7 +32,7 @@ class Header extends HTMLElement {
             <div><a href="index.html" class="project-name">FOSS alternatives</a></div>
             <button class="burger-menu" onclick="toggleMenu()">☰</button>
         </div>
-    </header>
+      </header>
     <div class="div-menu">
       <ul class="menu">
         <li><a href="games/index.html">Games</a></li>
@@ -42,6 +42,7 @@ class Header extends HTMLElement {
         <li><a href="operating_systems/index.html">Operating Systems</a></li>
         <li><a href="social_platforms/index.html">Social Platforms</a></li>
       </ul>
+    </div>
     `;
   }
 }