body {
    width: 60vw;
    margin-left: 20vw;
}

h1, h2 {
    margin-top: 7.5vh;
}

h3 {
    margin-top: 5vh;
}

#contents-list {
    font-size: large;
    padding-left: 2vw;
    line-height: 5vh;
}

img {
    width: 50vw;
    margin-inline: 5vw;
}

footer {
    margin-top: 7.5vh;
}