#outline-highlighter {
    position: fixed;
    z-index: 100;
    bottom: 10px;
    right: 10px;
    padding: 8px 12px;
    border: 1px solid #90A4AE;
    background: #BDBDBD;
    opacity: .7;
    font-family: Arial, sans-serif;
    /* letter-spacing: 1.1px; */
    font-size: 25px;
    text-transform: uppercase;
    transition: .14s;
}

#outline-highlighter:hover {
    opacity: .9;
    cursor: pointer;
}