CSS3实现加载数据动画2

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>CSS3实现加载数据动画</title>
    <style type="text/css">
        .box{
            width: 100%;
            padding: 3%;
            -webkit-box-sizing: border-box;
            -moz-box-sizing: border-box;
            box-sizing: border-box;
            overflow: hidden;
        }
        .box .loader{
            width: 30%;
            height: 200px;
            float: left;
            margin-right: 3%;
            border: 1px #cccccc solid;
            -webkit-box-sizing: border-box;
            -moz-box-sizing: border-box;
            box-sizing: border-box;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .loading-1{
            width: 60px;
            height: 60px;
            position: relative;
        }
        .loading-1 i{
            display: block;
            width: 60px;
            height: 60px;
            border-radius: 50%;
            background-color: #333333;
            position: absolute;
            left: 0;
            top: 0;
            opacity: 0;
        }
        .loading-1 i:nth-child(1){
            -webkit-animation: loading-1 1s linear 0s infinite;
            -moz-animation: loading-1 1s linear 0s infinite;
            -o-animation: loading-1 1s linear 0s infinite;
            animation: loading-1 1s linear 0s infinite;
        }
        .loading-1 i:nth-child(2){
            -webkit-animation: loading-1 1s linear 0.2s infinite;
            -moz-animation: loading-1 1s linear 0.2s infinite;
            -o-animation: loading-1 1s linear 0.2s infinite;
            animation: loading-1 1s linear 0.2s infinite;
        }
        .loading-1 i:nth-child(2){
            -webkit-animation: loading-1 1s linear 0.4s infinite;
            -moz-animation: loading-1 1s linear 0.4s infinite;
            -o-animation: loading-1 1s linear 0.4s infinite;
            animation: loading-1 1s linear 0.4s infinite;
        }
        @-webkit-keyframes loading-1 {
            0%{
                -webkit-transform: scale(0);
                -moz-transform: scale(0);
                -ms-transform: scale(0);
                -o-transform: scale(0);
                transform: scale(0);
                opacity: 0;
            }
            50%{
                opacity: 1;
            }
            100%{
                -webkit-transform: scale(1);
                -moz-transform: scale(1);
                -ms-transform: scale(1);
                -o-transform: scale(1);
                transform: scale(1);
                opacity: 0;
            }
        }
        @-moz-keyframes loading-1 {
            0%{
                -webkit-transform: scale(0);
                -moz-transform: scale(0);
                -ms-transform: scale(0);
                -o-transform: scale(0);
                transform: scale(0);
                opacity: 0;
            }
            50%{
                opacity: 1;
            }
            100%{
                -webkit-transform: scale(1);
                -moz-transform: scale(1);
                -ms-transform: scale(1);
                -o-transform: scale(1);
                transform: scale(1);
                opacity: 0;
            }
        }
        @-o-keyframes loading-1 {
            0%{
                -webkit-transform: scale(0);
                -moz-transform: scale(0);
                -ms-transform: scale(0);
                -o-transform: scale(0);
                transform: scale(0);
                opacity: 0;
            }
            50%{
                opacity: 1;
            }
            100%{
                -webkit-transform: scale(1);
                -moz-transform: scale(1);
                -ms-transform: scale(1);
                -o-transform: scale(1);
                transform: scale(1);
                opacity: 0;
            }
        }
        @keyframes loading-1 {
            0%{
                -webkit-transform: scale(0);
                -moz-transform: scale(0);
                -ms-transform: scale(0);
                -o-transform: scale(0);
                transform: scale(0);
                opacity: 0;
            }
            50%{
                opacity: 1;
            }
            100%{
                -webkit-transform: scale(1);
                -moz-transform: scale(1);
                -ms-transform: scale(1);
                -o-transform: scale(1);
                transform: scale(1);
                opacity: 0;
            }
        }

        .loading-2{
            width: 40px;
            height: 40px;
            position: relative;
        }
        .loading-2 i{
            display: block;
            border: 2px solid;
            border-color: transparent #333333;
            -webkit-border-radius: 50%;
            -moz-border-radius: 50%;
            border-radius: 50%;
            position: absolute;
        }
        .loading-2 i:first-child{
            width: 35px;
            height: 35px;
            top: 0;
            left: 0;
            -webkit-animation: loading-2 1s ease 0s infinite;
            -moz-animation: loading-2 1s ease 0s infinite;
            -o-animation: loading-2 1s ease 0s infinite;
            animation: loading-2 1s ease 0s infinite;
        }
        .loading-2 i:last-child{
            width: 15px;
            height: 15px;
            top: 10px;
            left: 10px;
            -webkit-animation: loading-2 1s ease -0.25s infinite reverse;
            -moz-animation: loading-2 1s ease -0.25s infinite reverse;
            -o-animation: loading-2 1s ease -0.25s infinite reverse;
            animation: loading-2 1s ease -0.25s infinite reverse;
        }
        @-webkit-keyframes loading-2 {
            0%{
                -webkit-transform: rotate(0deg) scale(1);
                -moz-transform: rotate(0deg) scale(1);
                -ms-transform: rotate(0deg) scale(1);
                -o-transform: rotate(0deg) scale(1);
                transform: rotate(0deg) scale(1);
            }
            50%{
                -webkit-transform: rotate(180deg) scale(.6);
                -moz-transform: rotate(180deg) scale(.6);
                -ms-transform: rotate(180deg) scale(.6);
                -o-transform: rotate(180deg) scale(.6);
                transform: rotate(180deg) scale(.6);
            }
            100%{
                -webkit-transform: rotate(360deg) scale(1);
                -moz-transform: rotate(360deg) scale(1);
                -ms-transform: rotate(360deg) scale(1);
                -o-transform: rotate(360deg) scale(1);
                transform: rotate(360deg) scale(1);
            }
        }
        @-moz-keyframes loading-2 {
            0%{
                -webkit-transform: rotate(0deg) scale(1);
                -moz-transform: rotate(0deg) scale(1);
                -ms-transform: rotate(0deg) scale(1);
                -o-transform: rotate(0deg) scale(1);
                transform: rotate(0deg) scale(1);
            }
            50%{
                -webkit-transform: rotate(180deg) scale(.6);
                -moz-transform: rotate(180deg) scale(.6);
                -ms-transform: rotate(180deg) scale(.6);
                -o-transform: rotate(180deg) scale(.6);
                transform: rotate(180deg) scale(.6);
            }
            100%{
                -webkit-transform: rotate(360deg) scale(1);
                -moz-transform: rotate(360deg) scale(1);
                -ms-transform: rotate(360deg) scale(1);
                -o-transform: rotate(360deg) scale(1);
                transform: rotate(360deg) scale(1);
            }
        }
        @-o-keyframes loading-2 {
            0%{
                -webkit-transform: rotate(0deg) scale(1);
                -moz-transform: rotate(0deg) scale(1);
                -ms-transform: rotate(0deg) scale(1);
                -o-transform: rotate(0deg) scale(1);
                transform: rotate(0deg) scale(1);
            }
            50%{
                -webkit-transform: rotate(180deg) scale(.6);
                -moz-transform: rotate(180deg) scale(.6);
                -ms-transform: rotate(180deg) scale(.6);
                -o-transform: rotate(180deg) scale(.6);
                transform: rotate(180deg) scale(.6);
            }
            100%{
                -webkit-transform: rotate(360deg) scale(1);
                -moz-transform: rotate(360deg) scale(1);
                -ms-transform: rotate(360deg) scale(1);
                -o-transform: rotate(360deg) scale(1);
                transform: rotate(360deg) scale(1);
            }
        }
        @keyframes loading-2 {
            0%{
                -webkit-transform: rotate(0deg) scale(1);
                -moz-transform: rotate(0deg) scale(1);
                -ms-transform: rotate(0deg) scale(1);
                -o-transform: rotate(0deg) scale(1);
                transform: rotate(0deg) scale(1);
            }
            50%{
                -webkit-transform: rotate(180deg) scale(.6);
                -moz-transform: rotate(180deg) scale(.6);
                -ms-transform: rotate(180deg) scale(.6);
                -o-transform: rotate(180deg) scale(.6);
                transform: rotate(180deg) scale(.6);
            }
            100%{
                -webkit-transform: rotate(360deg) scale(1);
                -moz-transform: rotate(360deg) scale(1);
                -ms-transform: rotate(360deg) scale(1);
                -o-transform: rotate(360deg) scale(1);
                transform: rotate(360deg) scale(1);
            }
        }

        .loading-3{
            width: 80px;
            height: 20px;
            position: relative;
        }
        .loading-3 i{
            display: block;
            width: 20px;
            height: 20px;
            -webkit-border-radius: 50%;
            -moz-border-radius: 50%;
            border-radius: 50%;
            background: #333333;
            margin-right: 10px;
            position: absolute;
        }
        .loading-3 i:nth-child(1){
            -webkit-animation: loading-3 2s linear 0s infinite;
            -moz-animation: loading-3 2s linear 0s infinite;
            -o-animation: loading-3 2s linear 0s infinite;
            animation: loading-3 2s linear 0s infinite;
        }
        .loading-3 i:nth-child(2){
            -webkit-animation: loading-3 2s linear -0.4s infinite;
            -moz-animation: loading-3 2s linear -0.4s infinite;
            -o-animation: loading-3 2s linear -0.4s infinite;
            animation: loading-3 2s linear -0.4s infinite;
        }
        .loading-3 i:nth-child(3){
            -webkit-animation: loading-3 2s linear -0.8s infinite;
            -moz-animation: loading-3 2s linear -0.8s infinite;
            -o-animation: loading-3 2s linear -0.8s infinite;
            animation: loading-3 2s linear -0.8s infinite;
        }
        .loading-3 i:nth-child(4){
            -webkit-animation: loading-3 2s linear -1.2s infinite;
            -moz-animation: loading-3 2s linear -1.2s infinite;
            -o-animation: loading-3 2s linear -1.2s infinite;
            animation: loading-3 2s linear -1.2s infinite;
        }
        .loading-3 i:nth-child(5){
            -webkit-animation: loading-3 2s linear -1.6s infinite;
            -moz-animation: loading-3 2s linear -1.6s infinite;
            -o-animation: loading-3 2s linear -1.6s infinite;
            animation: loading-3 2s linear -1.6s infinite;
        }
        @-moz-keyframes loading-3 {
            0%{
                left: 100px;
                top: 0;
            }
            80%{
                left: 0;
                top: 0;
            }
            85%{
                width: 20px;
                height: 20px;
                left: 0;
                top: -25px;
            }
            90%{
                width: 40px;
                height: 20px;
            }
            95%{
                left: 100px;
                top: -20px;
                width: 20px;
                height: 20px;
            }
            100%{
                left: 100px;
                top: 0;
            }
        }
        @-webkit-keyframes loading-3 {
            0%{
                left: 100px;
                top: 0;
            }
            80%{
                left: 0;
                top: 0;
            }
            85%{
                width: 20px;
                height: 20px;
                left: 0;
                top: -25px;
            }
            90%{
                width: 40px;
                height: 20px;
            }
            95%{
                left: 100px;
                top: -20px;
                width: 20px;
                height: 20px;
            }
            100%{
                left: 100px;
                top: 0;
            }
        }
        @-o-keyframes loading-3 {
            0%{
                left: 100px;
                top: 0;
            }
            80%{
                left: 0;
                top: 0;
            }
            85%{
                width: 20px;
                height: 20px;
                left: 0;
                top: -25px;
            }
            90%{
                width: 40px;
                height: 20px;
            }
            95%{
                left: 100px;
                top: -20px;
                width: 20px;
                height: 20px;
            }
            100%{
                left: 100px;
                top: 0;
            }
        }
        @keyframes loading-3 {
            0%{
                left: 100px;
                top: 0;
            }
            80%{
                left: 0;
                top: 0;
            }
            85%{
                width: 20px;
                height: 20px;
                left: 0;
                top: -25px;
            }
            90%{
                width: 40px;
                height: 20px;
            }
            95%{
                left: 100px;
                top: -20px;
                width: 20px;
                height: 20px;
            }
            100%{
                left: 100px;
                top: 0;
            }
        }
    </style>
</head>
<body>
    <div class="box">
        <div class="loader">
            <div class="loading-1">
                <i></i>
                <i></i>
                <i></i>
            </div>
        </div>
        <div class="loader">
            <div class="loading-2">
                <i></i>
                <i></i>
            </div>
        </div>
        <div class="loader">
            <div class="loading-3">
                <i></i>
                <i></i>
                <i></i>
                <i></i>
                <i></i>
            </div>
        </div>
    </div>
</body>
</html>
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原文地址：https://www.cnblogs.com/xiaobaizhiqian/p/8371792.html