Flex: Holy Grail

Flex:Holy Grail
<html>

<head>

<style type="text/css">

body,div,header,main,nav,aside,

footer{

  border: solid 1px red;

}

.HolyGrail {

  display: flex;

  min-height: 90vh;

  flex-direction: column;

}

header,

footer {

  flex: 1;

  background-color:#00ffff;

  text-align:center;

}

.HolyGrail-body {

  display: flex;

  flex: 1;

}

.HolyGrail-content {

  flex: 1;

}

.HolyGrail-nav, .HolyGrail-ads {

  /* 两个边栏的宽度设为12em */

  flex: 0 0 12em;

}

.HolyGrail-nav {

  /* 导航放到最左边 */

  order: -1;

}

如果是小屏幕，躯干的三栏自动变为垂直叠加。

@media (max-width: 768px) {

  .HolyGrail-body {

    flex-direction: column;

    flex: 1;

  }

  .HolyGrail-nav,

  .HolyGrail-ads,

  .HolyGrail-content {

    flex: auto;

  }

}

.HolyGrail-nav,.HolyGrail-ads{

   background-color:#cc33cc;

}

.HolyGrail-content{

    background-color:#FFB5C5;

}

</style>

</head>

<body class="HolyGrail">

  <header>HEADER</header>

  <div class="HolyGrail-body">

    <main class="HolyGrail-content">CONTENT</main>

    <nav class="HolyGrail-nav">MENU</nav>

    <aside class="HolyGrail-ads">AD-AD-AD</aside>

  </div>

  <footer>FOOTER</footer>

</body>

</html>
巴特西

Flex: Holy Grail

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