border设置虚线,cad设置虚线

border设置虚线可调节虚线间距，示例：

width:100%;

height: 1px;

background-image: linear-gradient(to right, rgb(101, 44, 194) 0%, rgb(216, 19, 19) 50%, transparent 50%);

background-size: 80px 1px;

background-repeat: repeat-x;