/* Hide default Material logo icon in header */
.md-header__button.md-logo {
  display: none;
}

/* DOI badge in header */
.gtaf-doi-badge {
  display: inline-flex;
  align-items: center;
  margin-right: 0.6rem;
}

.gtaf-doi-badge img {
  height: 20px;
  width: auto;
}

@media (max-width: 760px) {
  .gtaf-doi-badge img {
    height: 18px;
  }
}