@leocg Yes, when i disabled Hardware Acceleration on my Opera configuration, the problem disappear!
Do you think this glitch may be solved on next updates?
Do more on the web, with a fast and secure browser!
Download Opera browser with:
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/69.0.3497.100 Safari/537.36 OPR/56.0.3051.116
The Select input background turn gray without any css formating. See the following example:
This is what comes out, how it looks like:
Other browsers, it works properly.