效果展示：

源码展示：

<!doctype html>
<html>
<head>
    <meta charset="utf-8">
    <title>纯CSS3实现加载动画</title>
    <style>
        .spinner {
            margin-top: 100px;
            margin-right: auto;
            margin-bottom: 100px;
            margin-left: auto;
            width: 50px;
            height: 50px;
            position: relative;
        }

        h3{
            text-align: center;
        }
        .container1 > div, .container2 > div, .container3 > div {
            width: 12px;
            height: 12px;
            background-color: #FF0000;

            border-radius: 100%;
            position: absolute;
            -webkit-animation: bouncedelay 1.2s infinite ease-in-out;
            animation: bouncedelay 1.2s infinite ease-in-out;
            -webkit-animation-fill-mode: both;
            animation-fill-mode: both;
        }

        .spinner .spinner-container {
            position: absolute;
            width: 100%;
            height: 100%;
        }

        .container2 {
            -webkit-transform: rotateZ(45deg);
            transform: rotateZ(45deg);
        }

        .container3 {
            -webkit-transform: rotateZ(90deg);
            transform: rotateZ(90deg);
        }

        .circle1 { top: 0; left: 0; }
        .circle2 { top: 0; right: 0; }
        .circle3 { right: 0; bottom: 0; }
        .circle4 { left: 0; bottom: 0; }

        .container2 .circle1 {
            -webkit-animation-delay: -1.1s;
            animation-delay: -1.1s;
        }

        .container3 .circle1 {
            -webkit-animation-delay: -1.0s;
            animation-delay: -1.0s;
        }

        .container1 .circle2 {
            -webkit-animation-delay: -0.9s;
            animation-delay: -0.9s;
        }

        .container2 .circle2 {
            -webkit-animation-delay: -0.8s;
            animation-delay: -0.8s;
        }

        .container3 .circle2 {
            -webkit-animation-delay: -0.7s;
            animation-delay: -0.7s;
        }

        .container1 .circle3 {
            -webkit-animation-delay: -0.6s;
            animation-delay: -0.6s;
        }

        .container2 .circle3 {
            -webkit-animation-delay: -0.5s;
            animation-delay: -0.5s;
        }

        .container3 .circle3 {
            -webkit-animation-delay: -0.4s;
            animation-delay: -0.4s;
        }

        .container1 .circle4 {
            -webkit-animation-delay: -0.3s;
            animation-delay: -0.3s;
        }

        .container2 .circle4 {
            -webkit-animation-delay: -0.2s;
            animation-delay: -0.2s;
        }

        .container3 .circle4 {
            -webkit-animation-delay: -0.1s;
            animation-delay: -0.1s;
        }

        @-webkit-keyframes bouncedelay {
            0%, 80%, 100% { -webkit-transform: scale(0.0) }
            40% { -webkit-transform: scale(1.0) }
        }

        @keyframes bouncedelay {
            0%, 80%, 100% {
                transform: scale(0.0);
                -webkit-transform: scale(0.0);
            } 40% {
                  transform: scale(1.0);
                  -webkit-transform: scale(1.0);
              }
        }</style>
</head>
<body>
<div class="um-win" id="index">
    <div class="um-header">
        <h3>加载动画</h3>
    </div>

    <div class="um-content">
        <div class="spinner">
            <div class="spinner-container container1">
                <div class="circle1"></div>
                <div class="circle2"></div>
                <div class="circle3"></div>
                <div class="circle4"></div>
            </div>
            <div class="spinner-container container2">
                <div class="circle1"></div>
                <div class="circle2"></div>
                <div class="circle3"></div>
                <div class="circle4"></div>
            </div>
            <div class="spinner-container container3">
                <div class="circle1"></div>
                <div class="circle2"></div>
                <div class="circle3"></div>
                <div class="circle4"></div>
            </div>
        </div>
    </div>

    <div class="um-footer">

    </div>
</div>

<script>

</script>

</body>
</html>
纯CSS3实现加载动画

效果展示：

源码展示：

相关推荐
