HTML Code

<!DOCTYPE html>

<html>

<head>

  <title>CSS :out-of-range Basic Example</title>

  <style>

    body {

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

      padding: 1.5rem;

    }



    label {

      display: block;

      font-weight: 600;

      font-size: 0.875rem;

      margin-bottom: 0.25rem;

      color: #334155;

    }



    input {

      display: block;

      width: 100%;

      max-width: 18rem;

      padding: 0.5rem 0.75rem;

      margin-bottom: 1rem;

      border: 2px solid #cbd5e1;

      border-radius: 0.4rem;

      font-size: 0.875rem;

      box-sizing: border-box;

    }



    :in-range {

      border-color: #16a34a;

      background: #dcfce7;

    }



    :out-of-range {

      border-color: #dc2626;

      background: #fef2f2;

    }

  </style>

</head>

<body>

  <form>

    <label for="age">Enter your age (18–60):</label>

    <input type="number" id="age" name="age" min="18" max="60" value="70">

  </form>

  <p><small>The default value 70 is out of range. Try 25 for green styling.</small></p>

</body>

</html>

Lines: 0 | Characters: 0

Live Preview Auto-refresh on Run

CSS :out-of-range Selector - Basic Error Styling