纯CSS实现加载转圈样式

不同的项目中对于等待加载时转圈圈的样式是不同的，有的是传统的转圈的gif图片，见得比较多的是将转圈圈的换成了可爱的图标。有时候项目中加入等待加载的图片会很违和，不符合美观，所以需要用CSS做一个。下面是一个纯CSS实现转圈样式的例子。

<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title>Document</title>
</head>
<style>
    .load-container {
        background-color: #F1F1EA;
        width: auto;
        height: 700px;
        position: relative;
        overflow: hidden;
        -moz-box-sizing: border-box;
        box-sizing: border-box;
    }

    .loader {
        font-size: 10px;
        margin: 100px auto;
        margin-top: 300px;
        width: 1em;
        height: 1em;
        border-radius: 50%;
        text-indent: -9999em;
        position: relative;
        animation: mymove 1.3s infinite linear;
        -webkit-animation: mymove 1.5s infinite linear;
        -webkit-transform: translateZ(0);
        -ms-transform: translateZ(0);
        transform: translateZ(0);
    }

    @keyframes mymove {
        0%,
        100% {
            box-shadow: 0 -3em 0 0.2em #46A4C9, 2em -2em 0 0em #46A4C9, 3em 0 0 -1em #46A4C9, 2em 2em 0 -1em #46A4C9, 0 3em 0 -1em #46A4C9, -2em 2em 0 -1em #46A4C9, -3em 0 0 -1em #46A4C9, -2em -2em 0 0 #46A4C9;
        }
        12.5% {
            box-shadow: 0 -3em 0 0 #46A4C9, 2em -2em 0 0.2em #46A4C9, 3em 0 0 0 #46A4C9, 2em 2em 0 -1em #46A4C9, 0 3em 0 -1em #46A4C9, -2em 2em 0 -1em #46A4C9, -3em 0 0 -1em #46A4C9, -2em -2em 0 -1em #46A4C9;
        }
        25% {
            box-shadow: 0 -3em 0 -0.5em #46A4C9, 2em -2em 0 0 #46A4C9, 3em 0 0 0.2em #46A4C9, 2em 2em 0 0 #46A4C9, 0 3em 0 -1em #46A4C9, -2em 2em 0 -1em #46A4C9, -3em 0 0 -1em #46A4C9, -2em -2em 0 -1em #46A4C9;
        }
        37.5% {
            box-shadow: 0 -3em 0 -1em #46A4C9, 2em -2em 0 -1em #46A4C9, 3em 0em 0 0 #46A4C9, 2em 2em 0 0.2em #46A4C9, 0 3em 0 0em #46A4C9, -2em 2em 0 -1em #46A4C9, -3em 0em 0 -1em #46A4C9, -2em -2em 0 -1em #46A4C9;
        }
        50% {
            box-shadow: 0 -3em 0 -1em #46A4C9, 2em -2em 0 -1em #46A4C9, 3em 0 0 -1em #46A4C9, 2em 2em 0 0em #46A4C9, 0 3em 0 0.2em #46A4C9, -2em 2em 0 0 #46A4C9, -3em 0em 0 -1em #46A4C9, -2em -2em 0 -1em #46A4C9;
        }
        62.5% {
            box-shadow: 0 -3em 0 -1em #46A4C9, 2em -2em 0 -1em #46A4C9, 3em 0 0 -1em #46A4C9, 2em 2em 0 -1em #46A4C9, 0 3em 0 0 #46A4C9, -2em 2em 0 0.2em #46A4C9, -3em 0 0 0 #46A4C9, -2em -2em 0 -1em #46A4C9;
        }
        75% {
            box-shadow: 0em -3em 0 -1em #46A4C9, 2em -2em 0 -1em #46A4C9, 3em 0em 0 -1em #46A4C9, 2em 2em 0 -1em #46A4C9, 0 3em 0 -1em #46A4C9, -2em 2em 0 0 #46A4C9, -3em 0em 0 0.2em #46A4C9, -2em -2em 0 0 #46A4C9;
        }
        87.5% {
            box-shadow: 0em -3em 0 0 #46A4C9, 2em -2em 0 -1em #46A4C9, 3em 0 0 -1em #46A4C9, 2em 2em 0 -1em #46A4C9, 0 3em 0 -1em #46A4C9, -2em 2em 0 0 #46A4C9, -3em 0em 0 0 #46A4C9, -2em -2em 0 0.2em #46A4C9;
        }
    }

    @-webkit-keyframes mymove
    /*Safari and Chrome*/
        {
        0%,
        100% {
            box-shadow: 0 -3em 0 0.2em #46A4C9, 2em -2em 0 0em #46A4C9, 3em 0 0 -1em #46A4C9, 2em 2em 0 -1em #46A4C9, 0 3em 0 -1em #46A4C9, -2em 2em 0 -1em #46A4C9, -3em 0 0 -1em #46A4C9, -2em -2em 0 0 #46A4C9;
        }
        12.5% {
            box-shadow: 0 -3em 0 0 #46A4C9, 2em -2em 0 0.2em #46A4C9, 3em 0 0 0 #46A4C9, 2em 2em 0 -1em #46A4C9, 0 3em 0 -1em #46A4C9, -2em 2em 0 -1em #46A4C9, -3em 0 0 -1em #46A4C9, -2em -2em 0 -1em #46A4C9;
        }
        25% {
            box-shadow: 0 -3em 0 -0.5em #46A4C9, 2em -2em 0 0 #46A4C9, 3em 0 0 0.2em #46A4C9, 2em 2em 0 0 #46A4C9, 0 3em 0 -1em #46A4C9, -2em 2em 0 -1em #46A4C9, -3em 0 0 -1em #46A4C9, -2em -2em 0 -1em #46A4C9;
        }
        37.5% {
            box-shadow: 0 -3em 0 -1em #46A4C9, 2em -2em 0 -1em #46A4C9, 3em 0em 0 0 #46A4C9, 2em 2em 0 0.2em #46A4C9, 0 3em 0 0em #46A4C9, -2em 2em 0 -1em #46A4C9, -3em 0em 0 -1em #46A4C9, -2em -2em 0 -1em #46A4C9;
        }
        50% {
            box-shadow: 0 -3em 0 -1em #46A4C9, 2em -2em 0 -1em #46A4C9, 3em 0 0 -1em #46A4C9, 2em 2em 0 0em #46A4C9, 0 3em 0 0.2em #46A4C9, -2em 2em 0 0 #46A4C9, -3em 0em 0 -1em #46A4C9, -2em -2em 0 -1em #46A4C9;
        }
        62.5% {
            box-shadow: 0 -3em 0 -1em #46A4C9, 2em -2em 0 -1em #46A4C9, 3em 0 0 -1em #46A4C9, 2em 2em 0 -1em #46A4C9, 0 3em 0 0 #46A4C9, -2em 2em 0 0.2em #46A4C9, -3em 0 0 0 #46A4C9, -2em -2em 0 -1em #46A4C9;
        }
        75% {
            box-shadow: 0em -3em 0 -1em #46A4C9, 2em -2em 0 -1em #46A4C9, 3em 0em 0 -1em #46A4C9, 2em 2em 0 -1em #46A4C9, 0 3em 0 -1em #46A4C9, -2em 2em 0 0 #46A4C9, -3em 0em 0 0.2em #46A4C9, -2em -2em 0 0 #46A4C9;
        }
        87.5% {
            box-shadow: 0em -3em 0 0 #46A4C9, 2em -2em 0 -1em #46A4C9, 3em 0 0 -1em #46A4C9, 2em 2em 0 -1em #46A4C9, 0 3em 0 -1em #46A4C9, -2em 2em 0 0 #46A4C9, -3em 0em 0 0 #46A4C9, -2em -2em 0 0.2em #46A4C9;
        }
    }
</style>

<body>

    <div class='load-container'>
        <div class='loader'></div>
    </div>

</body>

</html>