css呼吸灯

<!DOCTYPE html><html lang="en"> <head>    <meta charset="UTF-8">    <title>Document</title></head><style type='text/css'>    .circle {        width: 200px;        height: 200px;        position: absolute;        top: 50%;        left: 50%;        margin: -100px 0 0 -100px;    }     .circle1,    .circle2,    .circle3,    .center {        position: absolute;        left: 50%;        top: 50%;        margin: -30px 0 0 -30px;        width: 60px;        height: 60px;        border-radius: 30px;        background-color: #666666;    }     .center {        position: absolute;        left: 50%;        top: 50%;        margin: -35px 0 0 -35px;        width: 70px;        height: 70px;        border-radius: 35px;        background: #111111;/ text-align: center;        line-height: 70px;        color: #EAEAEA;        font-size: 16px;        font-family: '';    }     .circle1 {        -webkit-animation: circle 3s linear infinite;        animation: circle 3s linear infinite;    }     .circle2 {        -webkit-animation: circle 3s linear 0.8s infinite;        animation: circle 3s linear 0.8s infinite;    }     .circle3 {        -webkit-animation: circle 3s linear 1.6s infinite;        /* Safari and Chrome */        animation: circle 3s linear 1.6s infinite;    }     @-webkit-keyframes circle {         /* Safari and Chrome */        from {            opacity: 1;            -webkit-transform: scale(0);        }         to {            opacity: 0;            -webkit-transform: scale(3);        }    }</style></head> <body>    <div class='circle'>        <div class='circle1'>&nbsp;</div>        <div class='circle2'>&nbsp;</div>        <div class='circle3'>&nbsp;</div>        <div class='center'></div>    </div> </body> </html>
    posted @   前端搬运工bug  阅读(317)  评论(0编辑  收藏  举报
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