css实现div一直旋转的方法

<div id="xuanzhun" style="width: 30px; height: 30px; background-color: aquamarine;">

@-webkit-keyframes rotate{
    from{-webkit-transform: rotate(0deg)}
    to{-webkit-transform: rotate(360deg)}
}
@-moz-keyframes rotate{
    from{-moz-transform: rotate(0deg)}
    to{-moz-transform: rotate(359deg)}
}
@-o-keyframes rotate{
    from{-o-transform: rotate(0deg)}
    to{-o-transform: rotate(359deg)}
}
@keyframes rotate{
    from{transform: rotate(0deg)}
    to{transform: rotate(359deg)}
}

#xuanzhun{
    -webkit-transition-property: -webkit-transform;
    -webkit-transition-duration: 1s;
    -moz-transition-property: -moz-transform;
    -moz-transition-duration: 1s;
    -webkit-animation: rotate 3s linear infinite;
    -moz-animation: rotate 3s linear infinite;
    -o-animation: rotate 3s linear infinite;
    animation: rotate 3s linear infinite;
}