.fooevents-tooltip-box {
    background: transparent !important;
    color: #fff !important;
    max-width: 150px;
    border: 0px solid #333 !important;
    font-size: 0.8em !important;
}

.fooevents-tooltip-box .ui-tooltip-content {
    background: #333 !important;
    color: #fff !important;
    max-width: 150px;
    text-align: center;
    border-radius: 3px;
    padding: 0.618em 1em;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
    margin-left: -50%;
}

.fooevents-tooltip-box::before {
    content: " ";
    border-color: transparent;
    border-style: solid;
    border-width: 6px;
    height: 0;
    width: 0;
    margin-top: -12px;
    margin-left: 3px;
    border-bottom-color: #333;
    position: absolute;
}