div#article-body, 
div.newsletter-content {
    font-family: 'Cabin', sans-serif;
    font-size: 1.2rem;
}

div#article-body section.main-content img {
    height: auto;
    max-width: 75vw;
    width: 640px;
}

img#newsletter-header {
    display: block;
    margin-left: auto;
    margin-right: auto;
    height: auto;
    width: 100%;
}