.section-heading {
    display: grid;
    width: 100%;
    align-items: baseline;
    grid-template-columns: auto minmax(16px, 1fr);
    grid-gap: 16px;
    text-align: left;
    font-size: 2em;
    text-transform: uppercase;
}

.section-heading:after {
    content: '';
    border-top: 1px solid;
}

@media screen and (min-width: 768px) {
    .section-heading {
        font-size: 2.25em;
    }
}

@media screen and (min-width: 1024px) {
    .section-heading {
        font-size: 2.625em;
    }
}