自定义虚线 用过渡的方法
横线
width: 100%;
height: 1px;
background-image: linear-gradient(
to right,
#d8d8d8 0%,
#d8d8d8 50%,
transparent 50%
);
//控制虚线大小
background-size: 16px 1px;
background-repeat: repeat-x;
效果
竖线
.dotCss {
width: 1px;
height: 100%;
background-image: linear-gradient(
to bottom,
#f21212 0%,
#e21313 50%,
transparent 50%
);
background-size: 1px 16px;
background-repeat: repeat-y;
}