body {
    font-family: 'Arial', sans-serif;
    background-color: #f0f0f0;
    margin: 0;
    padding: 0;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
}

.container {
    text-align: center;
    background-color: #ffffff;
    padding: 2.5rem;
    border-radius: .5rem;
    box-shadow: 0 4px 16px rgba(0, 0, 0, .1);
    max-width: 15rem;
    width: 100%;
}

h1 {
    font-size: 1.5rem;
    color: #333;
    margin-bottom: 1rem;
}

.color-picker {
    margin-bottom: 1rem;
}

#colorInput {
    width: 6rem;
    height: 3rem;
    border: none;
    cursor: pointer;
}

p {
    font-size: 1rem;
    color: #555;
    margin: .5rem 0;
}

.color-display {
    width: 100%;
    height: 10rem;
    border-radius: .5rem;
    margin-top: 1rem;
    background-color: #000000;
    box-shadow: 0 4px 16px rgba(0, 0, 0, .1);
    transition: background-color .3s ease;
}