css 图标 旋转中

.person-loading .loading-icon{position: absolute;top: 14px;}
i.loading-icon{width: 15px;
height: 15px;
background-position: 0 -90px;
-webkit-animation: loading 1s linear infinite;}

@-webkit-keyframes loading { 
from { -webkit-transform: rotate(0deg) translateZ(0); }
 to { -webkit-transform: rotate(360deg) translateZ(0); } 
}