.opf_share-by-email-button {
    margin-left: 5px;
}

.opf_share-by-email-button .opf_sbeb_link {
    display: flex;
    padding: 8px;
    margin-right: .25em;
    margin-bottom: .25em;
    border-radius: 30px;
    background: #006084;
    color: white;
    font-size: 1.2em;
}

.opf_share-by-email-button .opf_sbeb_link:hover {
    opacity: .6;
}