x
<html><head><style>ul { list-style-type: none; margin: 0; padding: 0; width: 200px; background-color: #f1f1f1; border: 1px solid #555;}li a { display: block; color: #000; padding: 8px 16px; text-decoration: none;}li { text-align: center; border-bottom: 1px solid #555;}li:last-child { border-bottom: none;}li a.active { background-color: #04AA6D; color: white;}li a:hover:not(.active) { background-color: #555; color: white;}</style></head><body><h2>Vertical Navigation Bar</h2><p>In this example, we center the navigation links and add a border to the navigation bar.</p>