Untitled

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>CSS-Only Custom Dropdown with Groups</title>
    <link rel="stylesheet" href="styles.css">
</head>
<body>
    <div class="dropdown-container">
        <input type="checkbox" id="dropdown-toggle" class="dropdown-toggle">
        <label for="dropdown-toggle" class="dropdown-button">
            <span class="dropdown-selected">Select an option</span>
            <span class="dropdown-arrow">&#9662;</span> <!-- Downward arrow character -->
        </label>
        <div class="dropdown-options">
            <div class="dropdown-group">
                <div class="dropdown-group-title">Group 1</div>
                <label for="dropdown-toggle" class="dropdown-option">Option 1.1</label>
                <label for="dropdown-toggle" class="dropdown-option">Option 1.2</label>
            </div>
            <div class="dropdown-group">
                <div class="dropdown-group-title">Group 2</div>
                <label for="dropdown-toggle" class="dropdown-option">Option 2.1</label>
                <label for="dropdown-toggle" class="dropdown-option">Option 2.2</label>
                <label for="dropdown-toggle" class="dropdown-option">Option 2.3</label>
            </div>
            <div class="dropdown-group">
                <div class="dropdown-group-title">Group 3</div>
                <label for="dropdown-toggle" class="dropdown-option">Option 3.1</label>
                <label for="dropdown-toggle" class="dropdown-option">Option 3.2</label>
            </div>
        </div>
    </div>
</body>
</html>



/* styles.css */
body {
    font-family: Arial, sans-serif;
    margin: 20px;
}

.dropdown-container {
    position: relative;
    display: inline-block;
    width: 200px;
}

.dropdown-toggle {
    display: none;
}

.dropdown-button {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
    padding: 10px;
    border: 1px solid #ccc;
    background-color: #f9f9f9;
    cursor: pointer;
    box-sizing: border-box;
    position: relative;
}

.dropdown-arrow {
    margin-left: 10px;
    font-size: 12px;
    color: #333;
}

.dropdown-options {
    display: none;
    position: absolute;
    width: 100%;
    background-color: #fff;
    border: 1px solid #ccc;
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.2);
    box-sizing: border-box;
    z-index: 1;
    max-height: 150px;
    overflow-y: auto;
}

.dropdown-group {
    margin-bottom: 20px;
}

.dropdown-group-title {
    padding: 10px;
    font-weight: bold;
    background-color: #f0f0f0;
}

.dropdown-option {
    display: block;
    padding: 10px 10px 10px 30px; /* Left padding for nested effect */
    cursor: pointer;
    color: black;
}

.dropdown-option:hover,
.dropdown-option:focus {
    background-color: #f1f1f1;
}

/* Show dropdown options when checkbox is checked */
.dropdown-toggle:checked ~ .dropdown-options {
    display: block;
}

/* Update the selected value */
.dropdown-option:active {
    background-color: #e1e1e1;
}

.dropdown-option:focus::before {
    content: attr(title);
    position: absolute;
    left: -9999px;
    overflow: hidden;
    white-space: nowrap;
    visibility: hidden;
}
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