img { margin: 10px auto; max-width:600px; max-height:450px; display: block; }
table { width: 100%; }
table tbody tr td { padding: 5px; font-size: 25px; }

.no-support-message { display: none; }
.impress-not-suported .no-support-message { display: block; }

.navbar-fixed-top {
    position:fixed;
    top:0;
    width:100%;
    height:40px;
    background-color:white;
    z-index:3000;
    pointer-events: auto;
}

.extra-clickable { pointer-events: auto }