.ui-tooltip, .arrow:after {
    background: rgba(0,0,0,0.5);
    border: 1px solid white;
}

.ui-tooltip {
    padding: 4px 8px;
    color: #fff;
    border-radius: 6px;
    font: 12px;
    box-shadow: 0 0 7px black;
    max-width: 250px;
    background-color: rgba(0,0,0,0.5);
    z-index: 99999;
}

.arrow {
    width: 70px;
    height: 16px;
    overflow: hidden;
    position: absolute;
    left: 50%;
    margin-left: -35px;
    bottom: -16px;
}

.arrow.top {
    top: -16px;
    bottom: auto;
}

.arrow.left {
    left: 20%;
}

.arrow:after {
    content: "";
    position: absolute;
    left: 20px;
    top: -20px;
    width: 25px;
    height: 25px;
    box-shadow: 6px 5px 9px -9px black;
    -webkit-transform: rotate(45deg);
    -moz-transform: rotate(45deg);
    -ms-transform: rotate(45deg);
    -o-transform: rotate(45deg);
    tranform: rotate(45deg);
}

.arrow.top:after {
    bottom: -20px;
    top: auto;
}