CSS 技能测试：响应式设计与媒体查询

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在 MDN 文档学习 CSS 的记录

题目链接

题目要求：用响应式设计为移动端网站设计一个桌面端的界面。

HTML 代码：

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<!doctype html>
<html lang="en">
  <head>
    <meta charset="utf-8" />
    <meta name="viewport" content="width=device-width" />
    <title>Responsive Web Design Task: Task</title>
    <link rel="stylesheet" href="../styles.css" />
  </head>

  <body>
    <header>
      <div class="title">My Website</div>
      <nav>
        <ul>
          <li>
            <a href="">Link 1</a>
          </li>
          <li>
            <a href="">Link 2</a>
          </li>
          <li>
            <a href="">Link 3</a>
          </li>
        </ul>
      </nav>
    </header>

    <main>
      <article>
        <h1>This is the main heading</h1>
        <p>
          Veggies es bonus vobis, proinde vos postulo essum magis kohlrabi welsh
          onion daikon amaranth tatsoi tomatillo melon azuki bean garlic.
        </p>

        <p>
          Gumbo beet greens corn soko endive gumbo gourd. Parsley shallot
          courgette tatsoi pea sprouts fava bean collard greens dandelion okra
          wakame tomato. Dandelion cucumber earthnut pea peanut soko zucchini.
        </p>

        <ul class="cards">
          <li>
            <h2>Card One</h2>
            <div class="inner">
              <p>
                Turnip greens yarrow ricebean rutabaga endive cauliflower sea
                lettuce kohlrabi amaranth water spinach avocado.
              </p>
            </div>
          </li>
          <li>
            <h2>Card Two</h2>
            <div class="inner">
              <p>
                Daikon napa cabbage asparagus winter purslane kale. Celery
                potato scallion desert raisin horseradish spinach carrot soko.
              </p>
            </div>
          </li>
          <li>
            <h2>Card Three</h2>
            <div class="inner">
              <p>
                Lotus root water spinach fennel kombu maize bamboo shoot green
                bean swiss chard seakale pumpkin onion chickpea gram corn pea.
              </p>
            </div>
          </li>
          <li>
            <h2>Card Four</h2>
            <div class="inner">
              <p>
                Lotus root water spinach fennel kombu maize bamboo shoot green
                bean swiss chard seakale pumpkin onion chickpea gram corn pea.
              </p>
            </div>
          </li>
          <li>
            <h2>Card Five</h2>
            <div class="inner">
              <p>
                Nori grape silver beet broccoli kombu beet greens fava bean
                potato quandong celery. Bunya nuts black-eyed pea prairie turnip
                leek lentil turnip greens parsnip.
              </p>
            </div>
          </li>
        </ul>
      </article>
      <aside class="sidebar">
        <p>
          Have you discovered all of the other excellent content on this
          website?
        </p>
      </aside>
    </main>
  </body>
</html>

CSS 代码：

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* {
  box-sizing: border-box;
}

html {
  font:
    1.2em/1.4 Arial,
    Helvetica,
    sans-serif;
}

body {
  padding: 0 0 1em;
}

header {
  background-color: #333;
  color: #fff;
  border: 5px solid #000;
}

header ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

header a {
  color: #fff;
  text-decoration: none;
  display: block;
  padding: 0.5em 1em;
  border-top: 1px solid #999;
}

header .title {
  font-size: 150%;
  font-style: italic;
  font-weight: bold;
  padding: 1em;
}

main {
  padding: 0 1em;
}

.cards {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 20px;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
}

.cards li {
  border: 5px solid #000;
  margin-bottom: 1em;
}

.cards h2 {
  background-color: #333;
  color: #fff;
  margin: 0;
  padding: 0.5em 1em;
}

.cards .inner {
  padding: 0.5em 1em;
}

.sidebar {
  background-color: #333;
  border: 5px solid #000;
  padding: 0.5em 1em;
  color: #fff;
}
@media (min-width: 576px)
{
  header
  {
      display: flex;
      position: relative;
  }
  header nav ul
  {
      display: flex;
      flex-direction: row;
      position: absolute;
      right:0;
      top: 20%;
  }
  header a{
      border: none;
  }
  main {
      display: grid;
      grid-template-columns: 3fr 1fr;
      grid-gap: 20px;
      margin-top: 20px;
  }
}