Add active style to navbar

public/GraphGenerator.html

@@ -25,7 +25,7 @@
         </button>
         <div id="main-menu" class="collapse navbar-collapse">
             <ul class="navbar-nav flex-fill justify-content-end">
-                <li class="nav-item">
+                <li class="nav-item active">
                     <a class="nav-link" href="./GraphGenerator.html">Generate graphs</a>
                 </li>
                 <li class="nav-item">

public/about.html

@@ -24,7 +24,7 @@
                 <li class="nav-item">
                     <a class="nav-link" href="https://github.com/jrtechs/github-graphs/">View on GitHub</a>
                 </li>
-                <li class="nav-item">
+                <li class="nav-item active">
                     <a class="nav-link" href="./about.html">About</a>
                 </li>
             </ul>

public/style.css

@@ -33,8 +33,8 @@ body {
     border-color: var(--dark-2);
 }
 
-.navbar-dark .navbar-nav .nav-link {
-    color: var(--white);
+.navbar-dark .navbar-nav .nav-item.active .nav-link {
+    font-weight: 600;
 }