.pane-main {
    margin: 5rem 0;
}
.pane-main h1 {
    margin-bottom: 5rem;
}
.item {
    margin-top: 5rem;
}
.item h3 {
    border-bottom: 1px solid #000;
}
.item .underline {
    text-decoration: underline;
}
@media screen and (min-width: 960px) {
    .pane-main {
        margin: 8rem 0;
    }
    .pane-main h1 {
        margin-bottom: 8rem;
    }
}