形状 - CSS 挑战

形状 - css 挑战

您可以在 github 仓库中找到这篇文章中的所有代码。

您可以在此处查看 codesandbox 的视觉效果。

通过css绘制各种形状

如何在 css 中绘制正方形、梯形、三角形、异形三角形、扇形、圆形、半圆、固定宽高比、0.5px 线？

<!doctype html>
<html lang="en">
  <head>
    <meta charset="utf-8" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <meta http-equiv="x-ua-compatible" content="ie=edge" />
    <title>shapes</title>
    <link rel="stylesheet" href="styles.css" />
  </head>
  <body>
    <div class="square"></div>

    <div class="trapezoidal"></div>

    <div class="triangle"></div>

    <div class="ano-triangle"></div>

    <div class="sector"></div>

    <div class="circle"></div>

    <div class="half-circle"></div>

    <div class="fixed-width-height-ratio"></div>

    <div class="half-one-px-line">0.5px line</div>
  </body>
</html>

.square {
  width: 100px;
  height: 100px;
  border-top: 50px solid red;
  border-bottom: 50px solid blue;
  border-right: 50px solid green;
  border-left: 50px solid orange;
}

.trapezoidal {
  width: 100px;
  height: 100px;
  border: 50px solid transparent;
  border-bottom-color: tomato;
}

.triangle {
  width: 0;
  height: 0;
  border: 50px solid transparent;
  border-bottom-color: tomato;
}

.sector {
  width: 0;
  height: 0;
  border: 50px solid transparent;
  border-bottom-color: tomato;
  border-radius: 50%;
}

.circle {
  width: 100px;
  height: 100px;
  border-radius: 50%;
  background-color: tomato;
}

.half-circle {
  width: 100px;
  height: 50px;
  background-color: tomato;
  border-top-left-radius: 50px;
  border-top-right-radius: 50px;
}

.fixed-width-height-ratio {
  padding-top: 56.25%;
  background-color: blue;
  width: 100%;
}

.half-one-px-line {
  background-color: aqua;
  border-bottom: 1px solid black;
  transform: scaleY(0.5) scaleX(0.5);
  transform-origin: 0 0;
}

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