body {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    height: 100vh;
    margin: 0;
    background-color: #f0f0f0;
    font-family: -apple-system, BlinkMacSystemFont, Segoe UI, Helvetica, Arial, sans-serif, Apple Color Emoji, Segoe UI Emoji;
}
h1 {
    color: #333;
    margin-bottom: 20px;
}
#downloadButton {
    padding: 10px 16px;
    font-size: 16px;
    font-weight: 600;
    color: #ffffff;
    background-color: red; /* Vivid red for visibility */
    border: none;
    border-radius: 6px;
    cursor: pointer;
    outline: none;
    transition: background-color 0.2s ease-in-out;
}
#downloadButton:hover, #downloadButton:focus {
    background-color: #e5533d; /* Slightly darker red on hover/focus */
}
@keyframes clickAnimation {
    0% { transform: none; }
    50% { transform: scale(0.95); }
    100% { transform: none; }
}