css-series/12-Flexbox (Complete Guide).html at main · jdcodebase/css-series · GitHub

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<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <title>12-Flexbox (Complete Guide)</title>

    <style>
      * {
        margin: 0;
        padding: 0;
        box-sizing: border-box;
      }

      /* ================= Flexbox Basic Example ================= */
      .container {
        border: 2px solid black;
        padding: 20px;
        display: flex;
        flex-direction: row;
        justify-content: space-evenly;
        align-items: stretch;
        height: 300px;
      }

      .box {
        background: lightblue;
        padding: 20px;
        border: 1px solid black;
        font-size: 20px;
      }

      .box:nth-child(2) {
        align-self: center;
      }

      /* ================= Navbar Example ================= */
      .nav {
        display: flex;
        justify-content: space-between;
        align-items: center;
        padding: 20px;
        border: 1px solid black;
        margin-top: 30px;
      }

      .nav ul {
        display: flex;
        list-style: none;
        gap: 20px;
      }

      /* ================= Cards Example ================= */
      .cards {
        border: 2px solid black;
        display: flex;
        width: 500px;
        gap: 20px;
        margin: 30px;
        /* flex-wrap: wrap;   <-- enable this when teaching wrap */
      }

      .card {
        background: rgb(61, 132, 141);
        width: 200px;
        height: 100px;
        color: white;
        display: flex;
        justify-content: center;
        align-items: center;
      }

      /* ================= Perfect Center Example ================= */
      .center-box {
        height: 100vh;
        display: flex;
        justify-content: center;
        align-items: center;
      }
    </style>
  </head>

  <body>
    <!-- Flex Container Example -->
    <div class="container">
      <div class="box">Box 1</div>
      <div class="box">Box 2</div>
      <div class="box">Box 3</div>
    </div>

    <!-- Navbar Example -->
    <header class="nav">
      <h2>Logo</h2>
      <ul>
        <li>Home</li>
        <li>Services</li>
        <li>Contact</li>
      </ul>
    </header>

    <!-- Cards Layout Example -->
    <div class="cards">
      <div class="card">Card 1</div>
      <div class="card">Card 2</div>
      <div class="card">Card 3</div>
    </div>

    <!-- Perfect Center Example -->
    <div class="center-box">
      <p>Hello</p>
    </div>
  </body>
</html>