.v-popper--theme-widget-tooltip {
    display: block !important;
    z-index: 10000;
    border: 1px solid rgba(0,0,0,.2);
    border-radius: 3px;
}

.v-popper--theme-widget-tooltip .v-popper__inner {
    background: #f9f9f9;
    color: black;
    padding: 0px;
    border-radius: 5px;
    box-shadow: 0 5px 30px rgba(black, .1);
}