如下
執行個體代碼如下
<!DOCTYPE html><html> <head> <meta charset="UTF-8"> <title></title> <style> body{ background: #000; } .box{ width: 100%; height: 600px; background: #000; } .vr { display: block; width: 71px; height: 71px; border-radius: 50%; position: absolute; left: 18px; top: 22px; background:#98FB98 url(../imges/new_img/vr.png) no-repeat left top; background-size: 100% 100%; z-index: 99; } .vr_wrap { background: #fff; opacity: 0.7; filter: alpha(opacity=70); width: 71px; height: 71px; border-radius: 50%; position: absolute; left: 18px; top: 22px; box-shadow: 0px 0px 50px 10px #fbfbfb; animation: mymove 2s infinite; /*animation-direction:alternate;*/ border-radius: 50%; } .vr_wrap2 { background: #fff; opacity: 0.9; filter: alpha(opacity=90); border-radius: 50%; width: 71px; height: 71px; border-radius: 50%; position: absolute; left: 18px; top: 22px; box-shadow: 0px 0px 50px 10px #fbfbfb; animation: mymove1 2s infinite; /*animation-direction:alternate;*/ } @keyframes mymove { 0% { box-shadow: 0px 0px 0px 2px #fff; height: 71px; width: 71px; } 100% { box-shadow: 0px 0px 0px 20px #fff; height: 72px; width: 72px; } 100% { opacity: 0; filter: alpha(opacity=0); } } @keyframes mymove1 { 0% { box-shadow: 0px 0px 0px 2px #fff; height: 71px; width: 71px; } 50% { box-shadow: 0px 0px 0px 20px #fff; height: 72px; width: 72px; opacity: 0; } 100% { opacity: 0; filter: alpha(opacity=0); } } </style> </head> <body> <p class="box"> <a class="vr" href="http://vr.nibaoo.cn/01/"></a> <p class="vr_wrap"></p> <p class="vr_wrap2"></p> </p> </body></html>
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