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css学习3--flexbox布局

作者：互联网

Flexbox布局

如下所示的代码，实现了flexbox布局，

<!doctype html>
<head>
  <style>
    :root {
      box-sizing: border-box;
    }

    *,
    ::before,
    ::after {
      box-sizing: inherit;
    }

    body {
      background-color: #709b90;
      font-family: Helvetica, Arial, sans-serif;
    }

    body * + * {
      margin-top: 1.5em;
    }

    .container {
      max-width: 1080px;
      margin: 0 auto;
    }

    .site-nav {
      display: flex;
      padding: .5em;
      background-color: #5f4b44;
      list-style-type: none;
      border-radius: .2em;
    }

    .site-nav > li {
      margin-top: 0;
    }

    .site-nav > li > a {
      display: block;
      padding: .5em 1em;
      background-color: #cc6b5a;
      color: white;
      text-decoration: none;
    }

    .site-nav > li + li {
      margin-left: 1.5em;
    }

    .site-nav > .nav-right {
      margin-left: auto;
    }

    .tile {
      padding: 1.5em;
      background-color: #fff;
    }

    .flex {
      display: flex;
    }

    .flex > * + * {
      margin-top: 0;
      margin-left: 1.5em;
    }

    .column-main {
      flex: 2;
    }

    .column-sidebar {
      flex: 1;
      display: flex;
      flex-direction: column;
    }

    .column-sidebar > .tile {
      flex: 1;
    }

    .login-form h3 {
      margin: 0;
      font-size: .9em;
      font-weight: bold;
      text-align: right;
      text-transform: uppercase;
    }

    .login-form input:not([type=checkbox]):not([type=radio]) {
      display: block;
      margin-top: 0;
      width: 100%;
    }

    .login-form button {
      margin-top: 1em;
      border: 1px solid #cc6b5a;
      background-color: white;
      padding: .5em 1em;
      cursor: pointer;
    }

  </style>
</head>

<body>
  <div class="container">
    <header>
      <h1>Ink</h1>
    </header>
    <nav>
      <ul class="site-nav">
        <li><a href="/">Home</a></li>
        <li><a href="/features">Features</a></li>
        <li><a href="/pricing">Pricing</a></li>
        <li><a href="/support">Support</a></li>
        <li class="nav-right">
          <a href="/about">About</a>
        </li>
      </ul>
    </nav>
    <main class="flex">
      <div class="column-main tile">
        <h1>Team collaboration done right</h1>
        <p>Thousands of teams from all over the
          world turn to <b>Ink</b> to communicate
          and get things done.</p>
      </div>
      <div class="column-sidebar">
        <div class="tile">
          <form class="login-form">
            <h3>Login</h3>
            <p>
              <label for="username">Username</label>
              <input id="username" type="text"
                name="username"/>
            </p>
            <p>
              <label for="password">Password</label>
              <input id="password" type="password"
                name="password"/>
            </p>
            <button type="submit">Login</button>
          </form>
        </div>
        <div class="tile centered">
          <small>Starting at</small>
          <div class="cost">
            <span class="cost-currency">$</span>
            <span class="cost-dollars">20</span>
            <span class="cost-cents">.00</span>
          </div>
          <a class="cta-button" href="/pricing">
            Sign up
          </a>
        </div>
      </div>
    </main>
  </div>
</body>

标签：flex,flexbox,--,top,color,nav,background,margin,css
来源： https://www.cnblogs.com/zdjBlog/p/13985301.html