/* Reset default margins */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: Arial, sans-serif;
    background-color: #FFFFFF;
    /* This makes the background color change smoothly instead of instantly */
    transition: background-color 0.3s ease; 
    
    /* Flexbox to center everything perfectly on the screen */
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
}

.container {
    text-align: center;
    background-color: rgba(255, 255, 255, 0.9); /* Slightly transparent white box */
    padding: 2rem 4rem;
    border-radius: 10px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
}

h2 {
    font-size: 2rem;
    margin-bottom: 1.5rem;
    color: #222;
}

#color-display {
    color: #007BFF; /* Highlights the hex code text */
    letter-spacing: 2px;
}

button {
    padding: 0.75rem 1.5rem;
    font-size: 1.2rem;
    background-color: #222;
    color: white;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    transition: background-color 0.2s;
}

button:hover {
    background-color: #555;
}