移动端1像素边框问题

.contianer{
	position: relative;
	&::before{
		content:" ";
		position: absolute;
		left:0;
		top:0;
		width:200%;
		height:200%;
		transform:scale(0.5,0.5);
		transform-origin:left top;
		border:1px solid lightgray;
		box-sizing:border-box;
	}
}