图片从左向右出现是slideLeft 从右向左是slideRight？还有自动播放。。。。
.slideLeft:target{
z-index: 100;
-webkit-animation-name: slideLeft;
-webkit-animation-duration: 1s;
-webkit-animation-iteration-count: 1;
-moz-animation-name: slideLeft;
-moz-animation-duration: 1s;
-moz-animation-iteration-count: 1;
-ms-animation-name: slideLeft;
-ms-animation-duration: 1s;
-ms-animation-iteration-count: 1;
-o-animation-name: slideLeft;
-o-animation-duration: 1s;
-o-animation-iteration-count: 1;
animation-name: slideLeft;
animation-duration: 1s;
animation-iteration-count: 1;
}
