Off Screen Drop down issues

[notpatern]

When trying to open a Dropdown element on a webpage, it opens full screen and then disappears.
I tried to use the LifeSpanHandler to manage pop ups but Drop down elements are not Popups.

[amaitland]

https://github.com/cefsharp/CefSharp/wiki/Questions-&-Support#when-asking-a-question-please-include-the-following

Please answer questions in the link