body {
    background: #222;
    color: #eee;
    font-family: sans-serif;
}

main {
    width: 80ch;
    margin-inline: auto;
}

.grid-2col {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}

#atlas-container {
    position: absolute;
    right: 0;
    top: 0;
}