I had lots of problems with installing Dropbox on Elementary OS.
I finally did it but this time I can't log in to Dropbox. When I click to "sign in", nothing happening. However, preferences button is working.
Screenshot:
https://s14.postimg.org/e23y4zu7l/2017-05-07_11_30_26_den_ekran_g_r_nt_s.png
Can anybody help me?