Tạo nút Sidenav

link1 link2 link3 link4

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<style> #mySidenav a { position: absolute; left: -80px; transition: 0.3s; padding: 15px; width: 100px; text-decoration: none; font-size: 20px; color: white; border-radius: 0 5px 5px 0; } #mySidenav a:hover { left: 0; } #about { top: 20px; background-color: #4CAF50; } #blog { top: 80px; background-color: #2196F3; } #projects { top: 140px; background-color: #f44336; } #contact { top: 200px; background-color: #555 } </style> <div id="mySidenav" class="sidenav"> <a href="#" id="about">link1</a> <a href="#" id="blog">link2</a> <a href="#" id="projects">link3</a> <a href="#" id="contact">link4</a> </div> <div style="margin-left:80px;"> <h2>11111111111</h2> <p>22222222222222222</p> </div>