问使用j查询摆动图像

EN

bod{
  background:blue;
}

.box{
    width:50px; height:50px;
    background: yellow;
    border: 1px solid black;
    margin:100px;
    position: relative;
    float: left;
    -moz-animation: 3s ease 0s normal none infinite swing;
    -moz-transform-origin: center top;
    -webkit-animation:swing 3s infinite ease-in-out;
    -webkit-transform-origin:top;
}
@-moz-keyframes swing{
    0%{-moz-transform:rotate(-500deg)}
    50%{-moz-transform:rotate(500deg)}
    100%{-moz-transform:rotate(-500deg)}
}
@-webkit-keyframes swing{
    0%{-webkit-transform:rotate(-500deg)}
    50%{-webkit-transform:rotate(500deg)}
    100%{-webkit-transform:rotate(-500deg)}
}