main {
    display: grid;
    grid-template-rows: minmax(15rem, auto) 1fr;
    grid-template-columns: 
        minmax(2rem, 1fr) 
        minmax(0, 40rem) 
        minmax(2rem, 1fr);
    margin-top: 3rem;
}
main.toc-true {
    grid-template-columns: 
        minmax(2rem, 1fr) 
        minmax(0, 40rem) 
        minmax(15rem, 1fr);
}
main.toc-false {
    grid-template-columns: 
        minmax(2rem, 1fr) 
        minmax(0, 40rem) 
        minmax(2rem, 1fr);
}
main.toc-false > nav {
    display: none;
}
/* hide toc on narrow screens */
@media only screen and (max-width: 65rem) {
    main.toc-true,
    main.toc-false {
        grid-template-columns:
            minmax(2rem, 1fr)
            minmax(0, 40rem)
            minmax(2rem, 1fr);
    }
    nav {display: none;}
}
/* squish edge padding on narrower screens */
@media only screen and (max-width: 40rem) {
    main.toc-true,
    main.toc-false {
        grid-template-columns:
            minmax(1rem, 1fr)
            minmax(0, 40rem)
            minmax(1rem, 1fr);
    }
}
main > div {
    grid-row: 2;
    grid-column: 2;
    align-self: stretch;
}
main > nav {
    grid-row: 2;
    grid-column: 3;
    align-self: start;
    padding-left: 2rem;
    position: sticky;
    top: 5rem;
}
.toc p {
    margin-left: 1rem;
    margin-bottom: 1em;
    color: var(--soft-blue);
}
.toc ul, ol {
    list-style: none;
    margin: 0;
    padding: 0;
    /* toc scroll */
    max-height: calc(80vh);
    overflow-y: auto;
}
.toc li.h1 {
    margin-left: 1rem;
    margin-top: 0.5rem;
}
.toc li.h2 {
    margin-left: 2.5rem;
    margin-top: 0.5rem;
}
.toc li.active > a {
    color: var(--pink);
    font-weight: 500;
}
.toc a {
    text-decoration: none;
    display: block;
    transition: all 50ms ease-in-out;
    color: var(--soft-white);
}
.toc a:hover,
.toc a:focus {
    color: var(--color1);
}
#title {
    grid-row: 1;
    grid-column: 2;
    padding-top: 2rem;
    color: var(--color2);
}
pre {
    text-wrap: nowrap;
    border: 1px solid #1a1a1a;
    filter: drop-shadow(10px 10px 3px var(--shadow));
    font-size: 14px;
    margin-top: 20px;
    margin-bottom: 20px;
}
p code {
    background-color: #2f2f2f;
    border-radius: 4px;
    padding: 0.2em;
    font-family: monospace;
    font-size: 0.8em;
}
p a {
    color: var(--soft-white);
}
.footer {
    display: block;
    color: var(--soft-white);
    text-align: center;
}
/* images within the text */
main img {
    display: block;
    margin-left: auto;
    margin-right: auto;
    padding: 2rem;
    filter: drop-shadow(10px 10px 3px var(--shadow));
}
/* Testing */
.pad-scroll {
    padding-bottom: 5rem;
}