css3制作鼠标悬停图片背景360°旋转动画效果

.xwcms {
    width: 220px;
    height: 220px;
    margin: 0 auto;
    background: no-repeat url("images/author.jpg") left top;
    -webkit-background-size: 220px 220px;
    -moz-background-size: 220px 220px;
    background-size: 220px 220px;
    -webkit-border-radius: 110px;
    border-radius: 110px;
    -webkit-transition: -webkit-transform 2s ease-out;
    -moz-transition: -moz-transform 2s ease-out;
    -o-transition: -o-transform 2s ease-out;
    -ms-transition: -ms-transform 2s ease-out;
}
.xwcms:hover {
    -webkit-transform: rotateZ(360deg);
    -moz-transform: rotateZ(360deg);
    -o-transform: rotateZ(360deg);
    -ms-transform: rotateZ(360deg);
    transform: rotateZ(360deg);
}

<span style="line-height:2;"></span><span style="line-height:2;"> </span>