div.alphabet {
    clear: both;
    position: relative;
    margin: 0.5em 0;
}

@media screen and (max-width: 640px) {
    div.alphabet {
        text-align: center;
    }
}

div.alphabet ul {
    display: inline-block;
    margin: 0;
    padding: 0;
    list-style: none;
}

div.alphabet li {
    display: inline-block;
}

div.alphabet a {
    display: inline-block;
    cursor: pointer;
    text-align: center;
    text-decoration: none;
    box-sizing: content-box;
    padding: 0.2em 0.1em;
    min-width: 1.3em;
    color: #333 !important;
    border: 1px solid transparent;
    border-radius: 2px;
}

div.alphabet a:hover {
    color: #fff !important;
    border: 1px solid #111;
    background-color: #585858;
    background: linear-gradient(to bottom, #585858 0%, #111 100%);
}

div.alphabet a:active {
    outline: none;
    background-color: #2b2b2b;
    background: linear-gradient(to bottom, #2b2b2b 0%, #0c0c0c 100%);
    box-shadow: inset 0 0 3px #111;
}

div.alphabet a.empty {
    color: #888 !important;
}

div.alphabet a.active,
div.alphabet a.active.empty {
    color: #333 !important;
    border: 1px solid #979797;
    background-color: #fff;
    background: linear-gradient(to bottom, #fff 0%, #dcdcdc 100%);
}

div.alphabet .alphabet-info-display {
    margin-right: 0.5em;
}

div.alphabet div.alphabet-info {
    position: absolute;
    border: 1px solid #111;
    background-color: #585858;
    background: linear-gradient(to bottom, #585858 0%, #111 100%);
    border-radius: 2px;
    color: #fff;
    margin-top: 0.2em;
    padding: 0.2em 0.4em;
    text-align: center;
    opacity: 0;
    z-index: 9999;
}

tr.alphabet-group,
tr.alphabet-group:hover {
    background-color: rgba(0, 0, 0, 0.15) !important;
}