html, body {
    height: 100%;
    margin: 0;
}

body {
    font-family: 'Caveat', sans-serif;
    background-image: url("images/paper.jpg");
    background-repeat: no-repeat;
    background-size: cover;
    background-position: center;
}

main {
    max-width: 800px;
    margin: 0 auto;
    padding: 20px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
    background-color: antiquewhite;
    font-size: 22px;
    text-align: center;
}

ul {
    text-align: left;
}

header {
    text-align: center;
    padding: 10px;
}    

h1 {
    font-size: clamp(1.5rem, 5vw, 3rem);
}

footer {
    text-align: center;
    padding: 10px;
    background-color: darkgrey;
}