.popper,
.tooltip {
    position: absolute;
    font-size: 0.85em;
    background: rgba(0, 0, 0, 0.8);
    color: #fff;
    border-radius: 2px;
    padding: 5px 10px;
    text-align: center;
    pointer-events: none;
    max-width: 120px;
    z-index: 100;
}
.popper .popper__arrow,
.tooltip .tooltip-arrow {
    width: 0;
    height: 0;
    border-style: solid;
    position: absolute;
    margin: 3px;
}

.tooltip .tooltip-arrow,
.popper .popper__arrow {
    border-color: rgba(0, 0, 0, 0.8);
}
.popper[x-placement^="top"],
.tooltip[x-placement^="top"] {
    margin-bottom: 3px;
}
.popper[x-placement^="top"] .popper__arrow,
.tooltip[x-placement^="top"] .tooltip-arrow {
    border-width: 3px 3px 0 3px;
    border-left-color: transparent;
    border-right-color: transparent;
    border-bottom-color: transparent;
    bottom: -3px;
    left: calc(50% - 3px);
    margin-top: 0;
    margin-bottom: 0;
}
.popper[x-placement^="bottom"],
.tooltip[x-placement^="bottom"] {
    margin-top: 3px;
}
.tooltip[x-placement^="bottom"] .tooltip-arrow,
.popper[x-placement^="bottom"] .popper__arrow {
    border-width: 0 3px 3px 3px;
    border-left-color: transparent;
    border-right-color: transparent;
    border-top-color: transparent;
    top: -3px;
    left: calc(50% - 3px);
    margin-top: 0;
    margin-bottom: 0;
}
.tooltip[x-placement^="right"],
.popper[x-placement^="right"] {
    margin-left: 3px;
}
.popper[x-placement^="right"] .popper__arrow,
.tooltip[x-placement^="right"] .tooltip-arrow {
    border-width: 3px 3px 3px 0;
    border-left-color: transparent;
    border-top-color: transparent;
    border-bottom-color: transparent;
    left: -3px;
    top: calc(50% - 3px);
    margin-left: 0;
    margin-right: 0;
}
.popper[x-placement^="left"],
.tooltip[x-placement^="left"] {
    margin-right: 3px;
}
.popper[x-placement^="left"] .popper__arrow,
.tooltip[x-placement^="left"] .tooltip-arrow {
    border-width: 3px 0 3px 3px;
    border-top-color: transparent;
    border-right-color: transparent;
    border-bottom-color: transparent;
    right: -3px;
    top: calc(50% - 3px);
    margin-left: 0;
    margin-right: 0;
}