I have a popup that appears when icons are selected in a map component. Through the stylesheet I have removed the white background that is built in to the popup feature, but it appears that there is also a dropshadow associated with where that background element is/was. I didn't notice it right away because the dropshadow is very subtle on a darkmode map we have, but the lightmode map is very obvious.
I attempted to remove it by adding this to my stylesheet, but I think my exact syntax may be off, as I'm unfamiliar with the terms perspective wants and wasn't able to find where a list of these element names might be found.
.ia_popup {
box-shadow: none !important;
}