Right click dialog box enlarge

[rizalripin]

When I right click on any page, the dialog box is enlarge (appears to increase in height).
Also some elements like text and forward/back button is hidden especially when it is greyed out.

Here what it looks without userchrome.css:
https://imgur.com/MQEq35d

Here with userchrome.css:
https://imgur.com/wtoWEiF

Firefox v79.0
Windows 10

[Etesam913]

The styles should hopefully be fixed with the new commit that I just pushed. This is using the Firefox radiance theme.