淡入淡出特效
<html> <head> <style type="text/css"> body { background-image:url('http://images2015.cnblogs.com/blog/441096/201610/441096-20161013163910781-1393436376.jpg'); background-repeat:no-repeat; background-attachment:fixed; background-position:center; } /***淡入淡出-start***/ @-webkit-keyframes fadeIn { 0% { opacity: 0; /*初始状态 透明度为0*/ } 50% { opacity: 0; /*中间状态 透明度为0*/ } 100% { opacity: 1; /*结尾状态 透明度为1*/ } } .box {-webkit-animation-name: fadeIn; /*动画名称*/ -webkit-animation-duration: 3s; /*动画持续时间*/ -webkit-animation-iteration-count: 1; /*动画次数*/ -webkit-animation-delay: 0s; /*延迟时间*/} /***淡入淡出-end***/ </style> </head> <body> <body> <div style="width:100px;height:100px;background:red;position:absolute;top:100px;left:100px" class="box"> </div> <div style="width:100px;height:100px;background:blue;position:absolute;top:300px;left:300px"> </div> <div style="width:100px;height:100px;background:white;position:absolute;top:600px;left:600px"> </div> <div style="width:100px;height:100px;background:gray;position:absolute;top:900px;left:900px"> </div> <div style="width:100px;height:100px;background:black;position:absolute;top:1200px;left:1200px"> </div> </body> </body> </html>