css公共类

/*iOS弹性滚动*/
.scrolling{ position: absolute; width: 100%; height:100%; overflow-x:hidden; overflow-y:auto; -webkit-overflow-scrolling: touch ;}

/*解决ios 安卓 一像素边线问题  解决办法使用0.5边线*/
.hairline-top{position: relative;border:none;}
.hairline-top::before{content: '';position: absolute;left: 0;top: 0;background: #DDDEE3;width: 100%;height: 1px;-webkit-transform: scale(1,.5);transform: scale(1,.5);-webkit-transform-origin: center top;transform-origin: center top;}