为 border-bottom 自定义 css

Question

我已经将 css 应用到 this thing but is there any way where i can do css of this type ?

表示减少边界线的底部？

Answer 1

看看这是否有帮助。

p {
  position: relative;
  z-index: 1;
  width: 30px;
  background: red;
  padding: 10px;
  color: #fff;
}
p:before {
  content: "";
  position: absolute;
  left: 5px;
  bottom: 0;
  width: 80%;
  border-bottom: 4px solid black;
  height: 1px;
}

<p>
  hello
</p>

为 border-bottom 自定义 css

Custom css for border-bottom

css

customization

border