The :enabled pseudo-class

The :enabled pseudo-class is used to select and style enabled form elements (input, select, button, textarea, optgroup, option). These are elements that users can interact with. This pseudo-class is the opposite of :disabled.
EXAMPLE
<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>The :enabled pseudo-class</title>
    <meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1">
    <style>
        * {
            box-sizing: border-box;
        }
        body {
            margin: 0;
            padding: 30px;
            font-family: Arial, sans-serif;
        }
        .form {
            max-width: 500px;
            padding: 25px;
            border-radius: 8px;
        }
        /* Group of elements */
        .group {
            margin-bottom: 20px;
        }
        /* Labels */
        label {
            display: block;
            margin-bottom: 8px;
            color: #333;
        }
        /* Basic styles for input fields */
        input[type="text"]:enabled,
        textarea:enabled,
        select:enabled {
            width: 100%;
            padding: 12px;
            border: 2px solid #ddd;
            border-radius: 4px;
            font-size: 16px;
            transition: all 0.3s ease;
        }
        /* Effects when focusing enabled elements */
        input[type="text"]:enabled:focus,
        textarea:enabled:focus,
        select:enabled:focus {
            border-color: #4CAF50;
            box-shadow: 0 0 0 3px rgba(76, 175, 80, 0.2);
            outline: none;
        }
        /* Styles for enabled buttons */
        button:enabled {
            padding: 12px 24px;
            background-color: #4CAF50;
            color: white;
            border: none;
            border-radius: 4px;
            cursor: pointer;
            font-size: 16px;
            transition: all 0.3s ease;
        }
        /* Hover effect for enabled buttons */
        button:enabled:hover {
            background-color: #45a049;
            transform: translateY(-2px);
        }
        /* Active state of enabled buttons */
        button:enabled:active {
            transform: translateY(0);
        }
        /* Comparison with disabled elements */
        .comparison {
            display: flex;
            gap: 20px;
            margin-top: 20px;
        }
        .comparison > div {
            flex: 1;
        }
        /* Explanation */
        .explanation {
            margin-top: 20px;
            padding: 15px;
            border-left: 4px solid #4CAF50;
        }
    </style>
</head>
<body>
    <div class="form">
        <h3>Example of :enabled usage</h3>
        
        <div class="comparison">
            <div>
                <h4>Enabled elements</h4>
                <div class="group">
                    <label>Input field:</label>
                    <input type="text" placeholder="Enter text">
                </div>
                <div class="group">
                    <label>Select field:</label>
                    <select>
                        <option>Option 1</option>
                        <option>Option 2</option>
                    </select>
                </div>
                <button>Click me!</button>
            </div>
            
            <div>
                <h4>Disabled elements</h4>
                <div class="group">
                    <label>Input field:</label>
                    <input type="text" disabled placeholder="Disabled">
                </div>
                <div class="group">
                    <label>Select field:</label>
                    <select disabled>
                        <option>Disabled</option>
                    </select>
                </div>
                <button disabled>Disabled</button>
            </div>
        </div>

        <div class="explanation">
            <h4>Characteristics of enabled elements:</h4>
            <ul>
                <li>They are interactive - users can interact with them</li>
                <li>They have special hover effects</li>
                <li>They get special borders when focused</li>
                <li>Buttons have click animations</li>
                <li>Mouse cursor changes to pointer</li>
            </ul>
        </div>
    </div>
</body>
</html>
RESULT