.Tooltip {
    border-radius: 3px !important;

    & > :global(.popover-content) {
        padding: 8px 10px;
    }
}

div:global(#MutationHeatmap) :global(.oncoprintjs__tooltip) {
    border-radius: 3px !important;
    padding: 8px 10px;
    font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif;
    font-size: 12px;
    transform: translate(0px, -2px);
}