.hello-pin .hello-tooltip {
    background: #0c0c0c;
}

.hello-pin .hello-tooltip-arrow {
    border-color: transparent #0c0c0c transparent #0c0c0c;
}

.hello-pin  .hello-tooltip-arrow.atop.center .hello-tooltip-arrow {
    border-color: transparent transparent #0c0c0c transparent;
}

.hello-pin  .hello-tooltip-arrow.amiddle.aleft .hello-tooltip-arrow {
    border-color: transparent #0c0c0c transparent #0c0c0c;
}