滑动说明文字
.slide_bg{border:#999999 3px solid;width:207px;height:106px;position:relative;overflow:hidden;float:left;margin-right:16px;margin-top:26px;}
.slide_img{background-image:url(/jscss/demoimg/wall1.jpg);width:207px;height:106px;}
.slide_txt{width:197px;height:100px;background-color:#000000;posit
