*{ margin:0px; padding:0px;}
body 
{
    line-height:1.5;
    font-family:微软雅黑;
}
a{ text-decoration:none;}
ul,li{ list-style:none; }

/* 背景音乐 */ 
@-webkit-keyframes rotate {
    from{
        -webkit-transform: rotate(0deg);
    }
    to{
        -webkit-transform: rotate(360deg);
    }
}
@keyframes rotate {
    from{
        transform: rotate(0deg);
    }
    to{
        transform: rotate(360deg);
    }
}
.play{          
    -webkit-animation:rotate 3s infinite linear;
    animation:rotate 3s infinite linear;
}