.institutional-external-html h1,.institutional-external-html h2,.institutional-external-html h3 {
    font-size: 1.5rem;
    line-height: 2rem
}
@media (min-width: 768px) {
    .institutional-external-html h1,.institutional-external-html h2,.institutional-external-html h3 {
        font-size: 1.875rem;
        line-height: 2.25rem
    }
}