css中的nth-child示例用法代码-html代码-BFW代码库

css中的nth-child示例用法代码

代码语言：html

代码描述：css中的nth-child示例用法代码

下面为部分代码预览，完整代码请点击下载或在bfwstudio webide中打开

<!DOCTYPE html>
<html lang="en" >

<head>

  <meta charset="UTF-8">
  

  
  
<style>
body, html {
  height: 100%;
  margin: 0;
  background: darkslategray;
}

.container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  padding: 1rem;
  margin: auto;
  color: white;
}

.container h1 {
  grid-column: 1 / -1;
  text-align: center;
  background-color: #111;
  color: white;
  font-size: 3rem;
  padding-block: 0.5rem;
  margin: 0;
}

.container h1 span {
  color: yellow;
}

.block {
  display: flex;
  flex-direction: column;
}

.circles {
  display: flex;
  justify-content: center;
  gap: 0.5rem;
  padding-block: 0.5rem;
}

.caption {
  flex: 100%;
  text-align: center;
}

.circle {
  width: 2rem;
  height: 2rem;
  border-radius: 50%;
  background-color: silver;
}

.block:nth-of-type(1) .circles :last-child {
  background: salmon;
}

.block:nth-of-type(2) .circles :nth-last-child(2) {
  background: salmon;
}

.block:nth-of-type(3) .circles :nth-child(2) {
  background: salmon;
}

.block:nth-of-type(4) .circles :nth-child(3n) {
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