html {
    scroll-padding-top: 9rem;
}
body {
    line-height: 2.2rem;
    margin: 0;
}
p {
    margin: 1rem 0;
}
#main {
    max-width: 120rem;
    margin-inline: auto;
}

ol {
    counter-reset: item;
    padding-left: 0;
}
ol > li {
    display: block;
    margin-top: 2rem;
}
ol > li:before {
    content: counters(item, ".")". ";
    counter-increment: item;
    font-weight: 700;
    font-size: inherit;
}
ul {
    list-style-type: disc;
}
ul > li {
    margin: 0.3rem 0;
}

.h3 {
    font-weight: 700;
    font-size: 1.17em;
    margin: 1em 0;
    letter-spacing: -0.25px;
}
.h4 {
    font-weight: 700;
    margin: 2rem 0 0.5rem 0;
}

#copyright {
    margin-top: 3rem;
    margin-bottom: 1rem;
    color: #777;
}
#header {
    position: sticky;
    top: 0;
    background-color: var(--ff-orange);
}
#footer {
    position: sticky;
    bottom: 0;
}