hust-epi/whepi-ui/static/js/jvectormap/jquery-jvectormap-1.2.2.css

.jvectormap-label {
    position: absolute;
    display: none;
    border: solid 1px #CDCDCD;
    -webkit-border-radius: 3px;
    -moz-border-radius: 3px;
    border-radius: 3px;
    background: #292929;
    color: white;
    font-size: smaller;
    padding: 2px 5px;
}

.jvectormap-zoomin, .jvectormap-zoomout {
    position: absolute;
    left: 10px;
    -webkit-border-radius: 3px;
    -moz-border-radius: 3px;
    border-radius: 3px;
    background: #ccc;
    padding: 3px;
    color: white;
    width: 16px;
    height: 16px;
    cursor: pointer;
    line-height: 10px;
    text-align: center;
}

.jvectormap-zoomin {
    top: 10px;
}

.jvectormap-zoomout {
    top: 30px;
}

@media (max-width: 767px) {
    #world_map{
        height: 240px;
    }
}