civ14/Content.Client/UserInterface/Systems/Actions/Controls/ActionTooltip.xaml

<controls:ActionTooltip
    xmlns="https://spacestation14.io"
    xmlns:controls="clr-namespace:Content.Client.UserInterface.Systems.Actions.Controls"
    StyleClasses="StyleClassTooltipPanel">
    <BoxContainer Orientation="Vertical" RectClipContent="True">
        <RichTextLabel MaxWidth="350" StyleClasses="StyleClassTooltipActionTitle"/>
        <RichTextLabel MaxWidth="350" StyleClasses="StyleClassTooltipActionDescription"/>
        <RichTextLabel MaxWidth="350" StyleClasses="StyleClassTooltipActionCharges"/>
    </BoxContainer>
</controls:ActionTooltip>