grid实现圣杯布局```html 头部主体部分导航侧边栏底部 ``` ![_C__Users_1_Deskto

<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <meta http-equiv="X-UA-Compatible" content="IE=edge" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <title>Document</title>
    <style>
      * {
        margin: 0;
        padding: 0;
      }

      body {
        display: grid;
        height: 100vh;
        grid-template-rows: 80px 1fr 80px;
        grid-template-columns: 200px 1fr 200px;
        grid-template-areas:
          "header header header"
          "nav main aside"
          "footer footer footer";
      }

      header {
        background-color: red;
        grid-area: header;
      }

      nav {
        background-color: green;
        grid-area: nav;
      }

      main {
        background-color: gray;
        grid-area: main;
      }

      aside {
        background-color: lightblue;
        grid-area: aside;
      }

      footer {
        background-color: yellow;
        grid-area: footer;
      }
      .grid-center {
        font-size: 26px;
        font-weight: bold;
        display: grid;
        place-content: center;
      }
    </style>
  </head>

  <body>
    <header class="grid-center">头部</header>
    <main class="grid-center">主体部分</main>
    <nav class="grid-center">导航</nav>
    <aside class="grid-center">侧边栏</aside>
    <footer class="grid-center">底部</footer>
  </body>
</html>

C__Users_1_Desktop%E9%87%8D%E6%96%B0%E5%BC%80%E5%A7%8B%E7%A7%BB%E5%8A%A8%E7%AB%AF_grid%E5%AE%9E%E7%8E%B0%E5%9C%A3%E6%9D%AF%E5%B8%83%E5%B1%80.html.png