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console 命令行工具 X clear

                    
>
console
<!DOCTYPE html>
<html>
  
<head>
    <style>
        body {
            display: flex;
            justify-content: center;
        }
          
        .ball {
            width: 100px;
            height: 100px;
            /* border-radius: 50%;
            background-color: #FF5722; */
            background: url(http://txcdn1-file-m.mvbox.cn/handup/e6af0923ce1e5192c746ed9dc5f26b82.png) no-repeat;
            /* animation: bounce 0.5s;
            animation-direction: alternate;
            animation-timing-function: cubic-bezier(.5, 0.05, 1, .5);
            animation-iteration-count: infinite; */
            animation: bounce .5s linear infinite;
            /* animation: bounce .5s cubic-bezier(.5, 0.05, 1, .5) infinite; */
        }
          
        @keyframes bounce {
            /* from {
                transform: translate3d(0, 0, 0);
            }
            to {
                transform: translate3d(0, 200px, 0);
            } */
            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) ;
            }
        }
        /* Prefix Support */
          
        /* ball {
            -webkit-animation-name: bounce;
            -webkit-animation-duration: 0.5s;
            -webkit-animation-direction: alternate;
            -webkit-animation-timing-function: cubic-bezier(
            .5, 0.05, 1, .5);
            -webkit-animation-iteration-count: infinite;
        }
          
        @-webkit-keyframes bounce {
            from {
                -webkit-transform: translate3d(0, 0, 0);
                transform: translate3d(0, 0, 0);
            }
            to {
                -webkit-transform: translate3d(0, 200px, 0);
                transform: translate3d(0, 200px, 0);
            }
        } */
    </style>
</head>
  
<body>
    <div class="ball"></div>
</body>
  
</html>