响应式网格布局

<body>
  <style>
    * {
      margin: 0;
      padding: 0;
      color: #FFF;
      box-sizing: border-box;
      font-family: ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,Liberation Mono,Courier New,monospace;
    }
 
    .bg {
      padding: 136px 0 48px 0;
      width: 100%;
      min-height: 100vh;
      display: flex;
      align-items: center;
      flex-direction: column;
      background-color: #1C1917;
    }
 
    h1 {
      margin-bottom: 48px;
    }
 
    h2 {
      margin-bottom: 12px;
    }
 
    span {
      font-size: 14px;
    }
 
    .grid-content {
      gap: 15px;
      width: 80%;
      display: grid;
      justify-content: center;
      grid-template-columns: repeat(auto-fit, minmax(360px, 1fr));
    }
 
    .grid-content-item {
      padding: 2rem 1rem;
      border-radius: 1rem;
      background-color: #272324;
      border: 1px solid #70747D;
    }
  </style>
  <div class="bg">
    <h1>响应式网格布局</h1>
 
    <div class="grid-content">
      <div class="grid-content-item">
        <h2>Lorem Ipsum</h2>
        <span>Lorem ipsum dolor sit amet,consectetur adipisicing elit.Distinctio placeatiure aliquid eaque sed aliquam dicta maiores cupiditate earum quasi.</span>
      </div>
      <div class="grid-content-item">
        <h2>Lorem Ipsum</h2>
        <span>Lorem ipsum dolor sit amet,consectetur adipisicing elit.Distinctio placeatiure aliquid eaque sed aliquam dicta maiores cupiditate earum quasi.</span>
      </div>
      <div class="grid-content-item">
        <h2>Lorem Ipsum</h2>
        <span>Lorem ipsum dolor sit amet,consectetur adipisicing elit.Distinctio placeatiure aliquid eaque sed aliquam dicta maiores cupiditate earum quasi.</span>
      </div>
      <div class="grid-content-item">
        <h2>Lorem Ipsum</h2>
        <span>Lorem ipsum dolor sit amet,consectetur adipisicing elit.Distinctio placeatiure aliquid eaque sed aliquam dicta maiores cupiditate earum quasi.</span>
      </div>
      <div class="grid-content-item">
        <h2>Lorem Ipsum</h2>
        <span>Lorem ipsum dolor sit amet,consectetur adipisicing elit.Distinctio placeatiure aliquid eaque sed aliquam dicta maiores cupiditate earum quasi.</span>
      </div>
      <div class="grid-content-item">
        <h2>Lorem Ipsum</h2>
        <span>Lorem ipsum dolor sit amet,consectetur adipisicing elit.Distinctio placeatiure aliquid eaque sed aliquam dicta maiores cupiditate earum quasi.</span>
      </div>
      <div class="grid-content-item">
        <h2>Lorem Ipsum</h2>
        <span>Lorem ipsum dolor sit amet,consectetur adipisicing elit.Distinctio placeatiure aliquid eaque sed aliquam dicta maiores cupiditate earum quasi.</span>
      </div>
      <div class="grid-content-item">
        <h2>Lorem Ipsum</h2>
        <span>Lorem ipsum dolor sit amet,consectetur adipisicing elit.Distinctio placeatiure aliquid eaque sed aliquam dicta maiores cupiditate earum quasi.</span>
      </div>
      <div class="grid-content-item">
        <h2>Lorem Ipsum</h2>
        <span>Lorem ipsum dolor sit amet,consectetur adipisicing elit.Distinctio placeatiure aliquid eaque sed aliquam dicta maiores cupiditate earum quasi.</span>
      </div>
      <div class="grid-content-item">
        <h2>Lorem Ipsum</h2>
        <span>Lorem ipsum dolor sit amet,consectetur adipisicing elit.Distinctio placeatiure aliquid eaque sed aliquam dicta maiores cupiditate earum quasi.</span>
      </div>
      <div class="grid-content-item">
        <h2>Lorem Ipsum</h2>
        <span>Lorem ipsum dolor sit amet,consectetur adipisicing elit.Distinctio placeatiure aliquid eaque sed aliquam dicta maiores cupiditate earum quasi.</span>
      </div>
      <div class="grid-content-item">
        <h2>Lorem Ipsum</h2>
        <span>Lorem ipsum dolor sit amet,consectetur adipisicing elit.Distinctio placeatiure aliquid eaque sed aliquam dicta maiores cupiditate earum quasi.</span>
      </div>
    </div>
  </div>
</body>