移动端1px 像素边框

移动端1px 像素 采用伪类元素的transform: scale(.5);方法实现，记录一下

  

    .modileBorder{
    position: relative;

		    &::after {
		      position: absolute;
		      box-sizing: border-box;
		      content: ' ';
		      pointer-events: none;
		      top: -50%;
		      right: -50%;
		      bottom: -50%;
		      left: -50%;
		      border: 1px solid #d4d4d4;
		      -webkit-transform: scale(.5);
		      transform: scale(.5);
		    }
    }