Way more easy then I initially thought – I was not aware that I can use CSS since it is the first time at all I work with GTK:
Add at the end of _Tools > Configuration Files > geany.css_:
``` /* make search dialogs transparent if out of focus */ #GeanyDialogSearch:backdrop { background-color: transparent; opacity: 0.6; } ```
**Note:** _opacity_ will only work together with _background-color: transparent_ otherwise it will become black.
@elextr If I understand it correct, there is no need to implement it as feature, since it is easily possible due to GTK CSS styling. Should we then close this issue or link it to a specific "tutorial" page?
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**Example**
![Screenshot from 2020-12-21 13 39 46](https://user-images.githubusercontent.com/40885610/102777993-08fcbf00-4392-1...)