.md-header {
    background-color: #383838;
    height: 64px;
    display: flex;
    align-items: center;
}

.md-nav__link:hover,
.md-nav__link--active,
.md-typeset a, 
.md-typeset a:active, 
.md-typeset a:hover,
.headerlink:hover {
    color: #15c3d3 !important;
}