body {
    font-family: Arial, sans-serif;
    text-align: center;
    background-color: #f4f4f4;
    padding: 20px;
}

.container {
    background: white;
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0px 0px 10px rgba(0, 0, 0, 0.1);
    width: 300px;
    margin: auto;
}

h1 {
    font-size: 24px;
}

#color-box {
    width: 150px;
    height: 150px;
    background-color: lightgray;
    margin: 20px auto;
    border-radius: 8px;
}

button {
    padding: 10px 15px;
    font-size: 16px;
    border: none;
    background-color: orange;
    color: white;
    border-radius: 5px;
    cursor: pointer;
}

button:hover {
    background-color: #0056b3;
}