如何使用CSS创建带顶尖的div [英] How can I create div with a pointed top with CSS

问题描述

我看到很多线程远程相关，基本上建议CSS三角形在:: before或:: before伪元，但没有一个真正的淘汰。我抛出这个，看看有没有任何想法。

I've see a lot of threads remotely related that basically suggest CSS triangles in the ::after or ::before pseudos, but none have really panned out. I'm throwing this out to see if anyone has any ideas.

我想要创建一个具有尖角或倾斜顶部的div，它仍然与div的其余部分保持一致的边框和box-shadow。

I'm looking to create a div with a pointed or pitched top that still maintains a uniform border and box-shadow with the rest of the div.

查看我要创建的图片的链接：

See link for an image of what I'm trying to create:

推荐答案

此应该让您开始：

这是一个更新的小提琴，更好的呈现。

.first {
  display: inline-block;
  width: 3em;
  height: 3em
}
.second {
  position: relative;
  display: inline-block;
  width: 3em;
  height: 3em
}
.third {
  position: absolute;
  display: inline-block;
  width: 0;
  height: 0;
  line-height: 0;
  border: 1.5em solid transparent;
  margin-top: -1em;
  border-bottom: 1em solid #007BFF;
  left: 0em;
  top: 0em
}
.forth {
  position: absolute;
  display: inline-block;
  width: 0;
  height: 0;
  line-height: 0;
  border: 1.5em solid #007BFF;
  border-bottom: 1.5em solid #007BFF;
  left: 0em;
  top: 1.5em
}

<span class="first"><span class="second"><i class="third"></i><i class="forth"></i></span></span>

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