1.前面所有知识点做一个小结
效果图:
2.代码展示
<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <meta http-equiv="X-UA-Compatible" content="IE=edge"> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <title>Document</title> </head> <style> body { font-size:16px; } .nav { text-align: center; } .nav a { 120px; height: 50px; display: inline-block; line-height: 50px; text-decoration: none; background: url(images/bg.png) no-repeat; color:#fff; } .nav a:hover { background: url(images/bgc.png); } </style> <body> <div class="nav"> <a href="#">首页</a> <a href="#">首页</a> <a href="#">首页</a> <a href="#">首页</a> <a href="#">首页</a> <a href="#">首页</a> </div> </body> </html>
第二：知识点背景半透明