.portal-tooltip {
    position: relative;
    display: inline-block;
    z-index: 0;
}

.portal-tooltip:hover .portal-tooltip-text {
    visibility: visible;
    opacity: 1;
    z-index: 1;
}

.portal-tooltip-text {
    visibility: hidden;
    width: 120px;
    background-color: #555;
    color: #fff;
    text-align: center;
    padding: 5px 0;
    border-radius: 6px;
    position: absolute;
    z-index: 1;
    bottom: 125%;
    left: 50%;
    margin-left: -60px;
    opacity: 0;
    transition: opacity 0.3s;
    padding-left: 0.5em;
    padding-right: 0.5em;
    white-space: pre-wrap;
    white-space: -moz-pre-wrap;
    white-space: -pre-wrap;
    white-space: -o-pre-wrap;
    word-wrap: break-word;
}

.portal-tooltip-text::after {
    content: "";
    position: absolute;
    top: 100%;
    left: 50%;
    margin-left: -5px;
    border-width: 5px;
    border-style: solid;
    border-color: #555 transparent transparent transparent;
}

/* boostrap tooltips */
.tooltip .tooltip-inner {
    /* max-width: 310px; */
    padding-left: 0.5em;
    padding-right: 0.5em;
    padding-top: 0.65em;
    padding-bottom: 0.65em;
    color: #eeeeee;
    text-align: center;
    background-color: #333333;
    -webkit-border-radius: 5px;
    -moz-border-radius: 5px;
    border-radius: 5px
}