.tjnews dl dt a i{display:block;position:absolute;z-index:24;width:300px;height:auto;overflow:hidden;left:50%;margin-left:-150px;line-height:30px;color:#fff;font-size:20px;font-style:normal;font-weight:bold;text-align:center;top:60px;} 默认时的位置
.tjnews dl dt a:hover i{top:0px;webkit-transition:all .3s linear;-moz-transition:all .3s linear;-ms-transition:all .3s linear;-o-transition:all .3s linear;transition:all .3s linear;color:#D22746;} 鼠标经过的时的位置