.glossary-tooltip:hover .glossary-tooltip-text {
    display: block;
}

span.tooltip-text-visible {
    display: block;
}

.glossary-tooltip-text {
    display: none;
    min-width: 150px;
    width: 20vw;
    position: absolute;
    top: 100%;
    left: 100%;
    color: #fff;
    border-radius: 3px;
    background-color: #629999;
    padding: 10px;
    font-size: .85em;
    z-index: 10;
}

.glossary-tooltip {
    position: relative;
    border-bottom: 1px solid #629999;
}