body {
    background: linear-gradient(rgb(65, 34, 255), rgb(32, 200, 232));
}


body.art-bg {
    background: limegreen;
}

body.art-bg:active {
    background: black;
}


a:visited, a:link {
    color: #fff;
    text-decoration: none;
}

a:hover, a:active {
    text-decoration: underline;
    background: burlywood;
}

nav {
    width: 100%;
    height: auto;
    background: gray;
}

nav ul {
    list-style: none;
    display: flex;
    flex-direction: row;
    justify-content: space-between;
}

nav ul li {
}

nav ul li a {
    font-size: 1.1em;
    border: 2px solid #fff;
    border-radius: 3em;
    padding: 0.5em;
}



.content {
    height: auto;
    width: 100%;
}

.content h1 {
    text-align: center;
}





section, main, figure,
figcaption, main, article {
    display: block;
} 

figure {
    width: 100%;
    height: auto;
    display: flex;
    justify-content: center;
    flex-direction: column;
    align-items: center;
}


figure img {
    width: 50vw;
    height: 50vh;
}

figcaption {
    width: 100%;
    text-align: center;
    color: #fff;
    font-size: 2em;
}