Update nav.html

Author: Someshdiwan

site/_includes/nav.html

@@ -1,9 +1,8 @@
-<h2>📘 Navigation</h2>
 <nav>
-  <ul>
-    <li><a href="{{ '/' | relative_url }}">Home</a></li>
-    <li><a href="{{ '/Explaination' | relative_url }}">Explaination</a></li>
-    <li><a href="{{ '/content' | relative_url }}">All Contents</a></li>
-    <li><a href="https://github.com/Someshdiwan/JavaEvolution-Learning-Growing-Mastering">GitHub Repo</a></li>
+  <ul style="list-style: none; display: flex; gap: 20px; background-color: #343a40; padding: 15px;">
+    <li><a href="https://someshdiwan.github.io/JavaEvolution-Learning-Growing-Mastering/README" style="color: #fff; text-decoration: none;">📘 Home</a></li>
+    <li><a href="https://someshdiwan.github.io/JavaEvolution-Learning-Growing-Mastering/Explaination" style="color: #fff; text-decoration: none;">📖 Explanation</a></li>
+    <li><a href="https://someshdiwan.github.io/JavaEvolution-Learning-Growing-Mastering/content" style="color: #fff; text-decoration: none;">📚 All Contents</a></li>
+    <li><a href="https://github.com/Someshdiwan/JavaEvolution-Learning-Growing-Mastering" style="color: #fff; text-decoration: none;">🔗 GitHub Repo</a></li>
   </ul>
 </nav>