渐变与为元素
来源：5-5 CSS3背景 制作导航菜单综合练习题
小程序缘
2017-01-25 20:22
如何使用渐变与伪元素制作导航分割线
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- 祺妙Tony
- 2017-01-26 12:28:35
分别使用before和after在导航节点前后都加上伪元素，设置上不同颜色，这样前一个节点的after和后一个节点before贴在一起组成的分割线会好看。
分割线两边透明，中间不透明，渐变；
去掉最前面节点的before和最后面节点的after，导航完成。
<!doctype html> <html> <head> <meta charset="UTF-8"> <title>CSS制作立体导航</title> <link rel="stylesheet" href="http://www.w3cplus.com/demo/css3/base.css"> <style> body{ background: #ebebeb; } .nav{ width:560px; height: 50px; font:bold 0/50px Arial; text-align:center; margin:40px auto 0; background: #f65f57; /*制作圆*/ border-radius:5px; /*制作导航立体风格*/ box-shadow:0 5px #b64b41; } .nav a{ display: inline-block; -webkit-transition: all 0.2s ease-in; -moz-transition: all 0.2s ease-in; -o-transition: all 0.2s ease-in; -ms-transition: all 0.2s ease-in; transition: all 0.2s ease-in; } .nav a:hover{ -webkit-transform:rotate(10deg); -moz-transform:rotate(10deg); -o-transform:rotate(10deg); -ms-transform:rotate(10deg); transform:rotate(10deg); } .nav li{ position:relative; display:inline-block; padding:0 16px; font-size: 13px; text-shadow:1px 2px 4px rgba(0,0,0,.5); list-style: none outside none; } /*使用伪元素制作导航列表项分隔线*/ .nav li::before, .nav li::after{ content:""; position:absolute; top:14px; width:1px; height:25px; } .nav li::before{ left:0; background:-moz-linear-gradient(to top,#f65f57,#9e3e3a 50%,#f65f57); background:-webkit-linear-gradient(to top,#f65f57,#9e3e3a 50%,#f65f57); background:-o-linear-gradient(to top,#f65f57,#9e3e3a 50%,#f65f57); background:-ms-linear-gradient(to top,#f65f57,#9e3e3a 50%,#f65f57); background:linear-gradient(to top,#f65f57,#9e3e3a 50%,#f65f57); } .nav li::after{ right:0; background:-moz-linear-gradient(to top,rgba(255,255,255,0), rgba(255,255,255,.2) 50%, rgba(255,255,255,0)); background:-webkit-linear-gradient(to top,rgba(255,255,255,0), rgba(255,255,255,.2) 50%, rgba(255,255,255,0)); background:-o-linear-gradient(to top,rgba(255,255,255,0), rgba(255,255,255,.2) 50%, rgba(255,255,255,0)); background:-ms-linear-gradient(to top,rgba(255,255,255,0), rgba(255,255,255,.2) 50%, rgba(255,255,255,0)); background:linear-gradient(to top,rgba(255,255,255,0), rgba(255,255,255,.2) 50%, rgba(255,255,255,0)); } /*删除第一项和最后一项导航分隔线*/ .nav li:first-child::before, .nav li:last-child::after { background:none; } .nav a, .nav a:hover{ color:#fff; text-decoration: none; } </style> </head> <body> <ul> <li><a href="">Home</a></li> <li><a href="">About Me</a></li> <li><a href="">Portfolio</a></li> <li><a href="">Blog</a></li> <li><a href="">Resources</a></li> <li><a href="">Contact Me</a></li> </ul> </body> </html>
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