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使用runcode.html页面

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查看次数
2025-11-26
创建时间
2025-11-26
最后更新
<nav>Nav</nav>
  <aside>Aside</aside>
  <main>Main</main>
nav {
  position: fixed;
  left: 0;
  top: 0;
  width: 5rem;
  height: 100%;
}

aside {
  position: fixed;
  right: 0;
  top: 0;
  width: 20rem;
  height: 100%;
}

main {
  margin-left: 5rem;
  width: calc(100% - 25rem);
}

@media screen and (max-width: 40em) {
  nav { width: 3rem; }
  aside { width: 12rem; }
  main {
    margin-left: 3rem;
    width: calc(100% - 15rem);
  }
}

body {
  margin: 0;
}
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