.pics{display:flex;flex-wrap:wrap}.pics li{width:33.33%;padding:16% 0;height:0;position:relative}.pics li img{width:100%;height:100%;-o-object-fit:cover;object-fit:cover;position:absolute;border:1px solid #fff;top:0;left:0;pointer-events:none;-webkit-user-select:none;-moz-user-select:none;user-select:none}.pullRefreshPage .pageBody{min-height:calc(100% - 156px)}