I use WET4.0 Centered popup -Modal (lightbox Modal) to create a modal, but I cannot change the mask background color from black to gray, and made it opacity 0.5 (filer 50). I tried to update theme.css ...

A rapid prototype showing how to overlay user-provided text on top of an embedded video player. It leverages standard HTML, CSS for styling and positioning, and JavaScript for dynamic text updates. - ...