pxt-core-own/theme/tooltips.less

Microsoft MakeCode, also known as Programming Experience Toolkit (PXT), provides Blocks / JavaScript tools and editors

@tooltipBackground: @primaryColor;
@tooltipBorder: darken(@tooltipBackground, 10%);

.pxt-tooltip {
    color: @white;
    background-color: @tooltipBackground !important;
    border: 1px solid @tooltipBorder !important;
    padding: .75rem 1rem !important;
    font-size: 1rem !important;
    line-height: 1.25rem !important;
}

.pxt-tooltip {
    &.place-top {
        &:after {
            border-top-color: @tooltipBorder !important;
        }
    }
    &.place-bottom {
        &:after {
            border-bottom-color: @tooltipBorder !important;
        }
    }
    &.place-left {
        &:after {
            border-left-color: @tooltipBorder !important;
        }
    }
    &.place-right {
        &:after {
            border-right-color: @tooltipBorder !important;
        }
    }
}