如何仅使用 CSS 创建一个圆形或方形 - 中心是空心的?

2022-01-14 00:00:00 geometry html css css-shapes

它应该基本上是正方形或圆形的轮廓 - 我可以相应地设置样式(即，将颜色更改为我想要的任何颜色，更改边框的粗细等)

It should just basically be an outline of the square or circle - that I can style accordingly (i.e. change the color to whatever I want, change the thickness of the border, etc.)

我想将那个圆形或正方形应用到其他东西(如图像或其他东西)上，中间部分应该被挖空，这样您就可以看到正方形或圆形下方的图像.

I would like to apply that circle or square over something else (like an image or something) and the middle part should be hollowed out, so you can see the image beneath the square or circle.

我希望它主要是 CSS + HTML.

I would prefer for it to be mainly CSS + HTML.

推荐答案

试试这个

div.circle {
  -moz-border-radius: 50px/50px;
  -webkit-border-radius: 50px 50px;
  border-radius: 50px/50px;
  border: solid 21px #f00;
  width: 50px;
  height: 50px;
}

div.square {
  border: solid 21px #f0f;
  width: 50px;
  height: 50px;
}

<div class="circle">
  <img/>
</div>
 <hr/>
<div class="square">
  <img/>
</div>

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