/* 手机 等 小屏幕设备 */
@media screen and (max-width:1199px){
/*VLOG背景图片*/
.vlog_bg{background-image: url(../vlog/img/banner_2.jpg); background-color:#999; background-position:center;}

}

/* 电脑等 大屏幕设备 */
@media screen and (min-width:1200px){
	
	
/*VLOG背景图片*/
.vlog_bg{background-image: url(../vlog/img/banner_2.jpg); background-color:#999; background-position:center;}

.vwail{ float:left; width:900px; height:506px;}
.vwair{ float:right;  width:460px}
}