css3 animation steps制作饿了么loading

html代码
<!DOCTYPE html>

<html>

<head>

    <title></title>

</head>

<body>

<style type="text/css">

    .load2 {

        position: absolute;

        width:200px;

        height:160px;

         background: url('data:image/svg+xml;base64,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHZpZXdCb3g9IjAgMCAxMDAgMTAwIj48ZWxsaXBzZSBjeD0iNDgiIGN5PSIxMi40NjMiIGZpbGw9IiNEM0U2RkYiIGZpbGwtcnVsZT0iZXZlbm9kZCIgcng9IjQ3Ljg5IiByeT0iMTIuMzY5IiB0cmFuc2Zvcm09InRyYW5zbGF0ZSgyIDM4KSIvPjwvc3ZnPg==') no-repeat;

        margin-left:-96px;

        margin-top:-100px;

        left:50%;

        top:70%;

        animation:small .8s infinite;

        background-position: center;

    }

    @keyframes small {

        0% {

            transform: scale(1);

        }

        50% {

            transform: scale(.4);

        }

        100% {

            transform: scale(1);

        }

    }

    .load {

        position: absolute;

        left:50%;

        top:50%;

        background: url('loading.png');

        height:100px;

        width:100px;

        margin-left:-50px;

        margin-top:-50px;

        animation:test 4.5s steps(6) infinite,updown .8s infinite;

        /*-webkit-animation:test 3.5s steps(6) infinite;*/

    }

    @keyframes test {

        0% {

            background-position: 0 0;

        }

        100% {

            background-position: 0 600px;

        }

    }

    @keyframes updown{

        0% {

            transform: translateY(0px);

        }

        50% {

            transform: translateY(-50px);

        }

        100% {

            transform: translateY(0px);

        }

    }

</style>

<div class="load"></div>

<div class="load2"></div>

</div>

</body>

</html>
巴特西

css3 animation steps制作饿了么loading

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