Steps to Reproduce
- Go to https://simple.m.wikipedia.beta.wmflabs.org/wiki/Main_Page?useskin=timeless
- Click on the icon next to logo to open sidebar.
- the icon you pressed should still be viable for you to close the sidebar or at least allow us to click of the sidebar to close it.
- The sidebar will not close once opened.
Note: I tested this on an iPhone 6 Plus running iOS 10.3 but most likely happens to other mobiles too.