圆与椭圆

背景知识

border-radius (opens new window)

通常我们一般使用border-radius来时实现圆角效果，其实border-radius是可以单独指定它的半长轴和半短轴，只需要用“/”分割即可。我们可以通过这个属性轻松实现半圆、半椭圆、四分之一圆及四分之一圆等常见的图形。

<style scoped>
  .main {
    width: 100%;
    padding: 60px 0;
    display: flex;
    flex-wrap: wrap;
    justify-content: space-around;
  }
  .ellipse {
    width: 200px; height: 150px;
    background: #b4a078;
    margin-bottom: 30px;
  }
  .ellipse:nth-of-type(1) {
    width: 300px; height: 150px;
    border-radius: 50% / 100% 100% 0 0;
  }
  .ellipse:nth-of-type(2) {
    width: 150px; height: 150px;
    border-radius: 100% 0 0 0;
  }
  .ellipse:nth-of-type(3) {
    border-radius: 50% / 100% 100% 0 0;
  }
  .ellipse:nth-of-type(4) {
    width: 100px;
    border-radius: 100% 0 0 0;
  }
  .ellipse:nth-of-type(5) {
    width: 300px;
    border-radius: 50% / 0 100%;
  }
  .ellipse:nth-of-type(6) {
    width: 300px;
    border-radius: 50% / 100% 0;
  }
</style>
<template>
  <div class="main">
    <div class="ellipse"></div>
    <div class="ellipse"></div>
    <div class="ellipse"></div>
    <div class="ellipse"></div>
    <div class="ellipse"></div>
    <div class="ellipse"></div>
  </div>
</template>