flexbox-sizing-exercise/index.html at main · appbrewery/flexbox-sizing-exercise · 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>Flexbox Sizing Exercise</title>
  <style>
    body {
      font-family: Arial, sans-serif;
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      height: 100vh;
      margin: 0;
      background-color: #f0f0f0;
    }

    .container {
      display: flex;
      gap: 10px;
      width: 80%;
      background-color: #ddd;
      padding: 20px;

    }

    .container>* {
      background-color: #4285f4;
      color: white;
      font-size: 18px;
      padding: 20px;
      border: 2px solid white;
    }

    textarea {
      width: 80%;
      min-height: 150px;
      margin-top: 20px;
      resize: vertical;
      font-family: monospace;
    }

    button {
      margin-top: 10px;
      padding: 10px 20px;
      background-color: #4285f4;
      color: white;
      font-size: 16px;
      border: none;
      cursor: pointer;
    }

    .parent {
      display: flex;
      gap: 10px;
      width: 80%;
      background-color: #ddd;
      padding: 20px;
      margin: 2rem;
      justify-content: space-between;
    }

    .parent>* {
      background-color: seagreen;
      color: white;
      font-size: 18px;
      padding: 20px;
      border: 2px solid white;

    }

    .one {
      flex: 0 1 200px;
    }

    .two {
      flex: 0 0 200px;
    }

    .three {
      flex: 0 0 400px;
    }
  </style>
</head>

<body>
  <h1>App Brewery Flexbox Sizing Exercise</h1>
  <div class="parent">
    <div class="one">Item 1: 200px</div>
    <div class="two">Item 2: 200px</div>
    <div class="three">Item 3: 400px</div>
  </div>
  <div class="container" id="container">
    <div class="item1">Item 1: 200px</div>
    <div class="item2">Item 2: 200px</div>
    <div class="item3">Item 3: 400px</div>
  </div>
  <textarea id="user-css" placeholder="Write your CSS code here..." rows="25">
/* Write your CSS code below to make the blue items size, grow and shrink like the green ones.*/

.container {

}

.container > * {

}

.item1 {

}

.item2 {

}

.item3 {

}
</textarea>
  <button onclick="applyUserCss()">Apply CSS</button>

  <script>
    function applyUserCss() {
      const userCss = document.getElementById('user-css').value;
      const style = document.createElement('style');
      style.innerHTML = userCss;
      document.head.appendChild(style);
    }
  </script>
</body>

</html>