HTML Code

<!DOCTYPE html>

<html lang="en">

<head>

  <meta charset="UTF-8">

  <meta name="viewport" content="width=device-width, initial-scale=1.0">

  <title>CSS inline-size fit-content Example</title>

  <style>

    body {

      font-family: system-ui, sans-serif;

      padding: 1.5rem;

      line-height: 1.6;

    }



    .demo {

      display: grid;

      gap: 1rem;

      max-width: 24rem;

    }



    .label {

      margin: 0 0 0.5rem;

      font-size: 0.875rem;

      font-weight: 600;

      color: #64748b;

    }



    .box {

      padding: 0.75rem 1rem;

      border: 1px solid #cbd5e1;

      border-radius: 0.35rem;

      background: #f8fafc;

    }



    .auto {

      inline-size: auto;

    }



    .fit {

      inline-size: fit-content;

      background: #dbeafe;

      border-color: #2563eb;

    }

  </style>

</head>

<body>

  <h1>auto vs fit-content</h1>

  <div class="demo">

    <div>

      <p class="label">inline-size: auto</p>

      <div class="box auto">Short text</div>

    </div>

    <div>

      <p class="label">inline-size: fit-content</p>

      <div class="box fit">Shorter</div>

    </div>

  </div>

</body>

</html>

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CSS inline-size Property - fit-content