css3 翻轉效果


#logo {width:200px; height:64px; background:url('../images/logo.png') top left no-repeat;
     -webkit-animation-name: y-spin;
     -webkit-animation-duration: 2s;
     -webkit-animation-iteration-count: 1;
     -webkit-animation-timing-function: linear;
 }
 @-webkit-keyframes y-spin {
     0% { -webkit-transform: rotateY(0deg); }
     50% { -webkit-transform: rotateY(180deg); }
     100% { -webkit-transform: rotateY(360deg); }
 }