* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: Arial, sans-serif;
}

body {
    background: #f4f4f4;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
}

.container {
    background: white;
    padding: 30px;
    border-radius: 15px;
    text-align: center;
    width: 350px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
}

h1 {
    margin-bottom: 20px;
    color: #333;
}

.color-box {
    width: 200px;
    height: 120px;
    background: #4CAF50;
    margin: 20px auto;
    border-radius: 10px;
    border: 2px solid #ddd;
}

#colorPicker {
    width: 100px;
    height: 50px;
    border: none;
    cursor: pointer;
    margin-bottom: 15px;
}

p {
    color: #666;
    margin-top: 10px;
}

#colorCode {
    margin: 10px 0 20px;
    color: #222;
}

button {
    background: #4CAF50;
    color: white;
    border: none;
    padding: 12px 20px;
    border-radius: 8px;
    cursor: pointer;
    font-size: 16px;
}

button:hover {
    opacity: 0.9;
}