/* Add a black background color to the top navigation */ .topnav { background-color: #333; overflow: hidden; } /* Style the links inside the navigation bar */ .topnav a { float: left; color: #f2f2f2; text-align: center; padding: 14px 16px; text-decoration: none; font-size: 17px; } /* Change the color of links on hover */ .topnav a:hover { background-color: #ddd; color: black; } /* Add a color to the active/current link */ .topnav a.active { background-color: #4CAF50; color: white; }