.mejs__video .mejs__controls .mejs__hdtoggle-button button {
    color: #606060;
    font-size: 11px;
    padding: 0;
    background: none;
    text-decoration: line-through;
}

.mejs__video .mejs__controls .mejs__hdtoggle-button.mejs__hdtoggle-on button {
    color: #dedede;
    text-decoration: none;
}