试着用CSS3实现元素跳动的动画效果

作者:jquery2018.02.06来源:Web前端之家浏览:345评论:0
关键词:css3跳动动画

试着用CSS3实现元素跳动的动画效果,已经快下班了,直接上干货,代码如下:

<!DOCTYPE html>
<html>
<head>
    <meta charset="UTF-8">
    <title>简单元素跳动效果</title>
    <style>
        body{
                background:#ccc;
                margin: 0;
                height: 100vh;
                display: flex;
                justify-content: center;
                align-items: center;
            }

            .box{
                height: 50px;
                width: 50px;
                position: relative;
            }
            .box::before{
                content: '';
                height: 8px; width: 50px; background: #000; opacity: .2; border-radius: 50%;
                position: absolute;
                top: 67px;
                left: 0;
                animation: shadow .5s linear infinite;
            }
                .box::after{
                    border-radius: 5px;
                    background: #fff;
                    animation: rotate .5s linear infinite;
                    content: '';
                    position: absolute;
                    left: 0;
                    top: 0;
                    width: 50px;
                    height: 50px;
                }
        @keyframes shadow {
            0%, 100% {transform: scaleX(1);}
            50% {transform: scaleX(1.2);}
        }

        @keyframes rotate {
            0% {
            transform: translateY(0) ;
          }
            25% {
                transform: translateY(10px);
            }
            50% {
                transform: translateY(20px) scale(1.1, 0.9);
               
            }
            75% {
                ransform: translateY(10px) ;
            }
            100% {
                transform: translateY(0) ;
            }
        }
    </style>
</head>
<body>
    <div class="box"></div>
</body>
</html>
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