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CSS代码
.guangshu { display:block; position: relative; width:800px; height:450px; margin:0 auto;}.guangshu:before { content: ""; position: absolute; width:200px; height: 100%; top: 0; left: -150px; overflow: hidden;background: -moz-linear-gradient(left, rgba(255,255,255,0)0, rgba(255,255,255,.2)50%, rgba(255,255,255,0)100%);background: -webkit-gradient(linear, left top, right top, color-stop(0%, rgba(255,255,255,0)), color-stop(50%, rgba(255,255,255,.2)), color-stop(100%, rgba(255,255,255,0)));background: -webkit-linear-gradient(left, rgba(255,255,255,0)0, rgba(255,255,255,.2)50%, rgba(255,255,255,0)100%);background: -o-linear-gradient(left, rgba(255,255,255,0)0, rgba(255,255,255,.2)50%, rgba(255,255,255,0)100%);-webkit-transform: skewX(-25deg);-moz-transform: skewX(-25deg)}.guangshu:hover:before { left: 150%; transition: left 1s ease 0s; }
HTML代码