用position來寫導航的下拉選單
阿新 • • 發佈：2018-11-06
今天來用position來寫下拉選單，話不多說，直接上程式碼，
<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <meta http-equiv="X-UA-Compatible" content="ie=edge"> <title>下拉選單</title> <style> *{ padding: 0; margin: 0; list-style: none; text-decoration: none; } #nav{ height: 40px; background-color:black; } #nav li{ display: inline-block; width: 100px; height: 40px; line-height: 40px; text-align: center; position: relative; border-right: 2px white solid; } #nav li a{ color: aliceblue; } li .b{ position: absolute; width: 100px; background-color: black; display: none; } li:hover .b{ display: block; } </style> </head> <body> <div id="nav"> <ul> <li><a href="#">首頁</a> <div class="b"> <ul> <li><a href="#">1</a></li> <li><a href="#">2</a></li> <li><a href="#">3</a></li> </ul> </div></li> <li><a href="#">附頁1</a></li> <li><a href="#">附頁2</a></li> <li><a href="#">附頁3</a></li> </ul> </div> </body> </html>
如上程式碼，我們就可以實現一個下拉選單的實現。