body {
    font-family: Arial, sans-serif;
    background-color: #f0f0f0;
    background-image: url('/img/double-bubble-outline.webp');
    color: #333;
    margin: 0;
    padding: 0;
    text-align: center;
}

header {
    background-color: rgba(75,175,80,0.7);
    color: white;
    padding: 1em;
}

main {
    padding: 2em;
}

footer {
    background-color: rgba(51,51,51,0.7);
    color: white;
    padding: 1em;
    position: fixed;
    bottom: 0;
    width: 100%;
}