Created attachment 8890640 [details] Screenshot_20170726_175832.png User Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/59.0.3071.104 Safari/537.36 Steps to reproduce: Firefox is currently missing the vertical scroll bar when viewing any webpage. As for scrollbars embedded within an element in a page, the scrollbar is not visible, but you can press and use it. Specifications: Firefox developer edition - 55.0b12(64-bit) Kubuntu 17.04 Actual results: Scrollbar is not available and can be used to scroll through webpages Expected results: Scrollbar is available and can be used to scroll through webpages
Component: Untriaged → Widget: Gtk
OS: Unspecified → Linux
Product: Firefox → Core
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