Since upgrading to Yosemite my Safari window keep resizing itself all the time. It happens whenever I open or close a new tab, changing its size without me doing anything. This doesnt seem to happen with Chrome, whos able to maintain a single size with one, two or without opened tabs. I tried adjusting the window multiple times and searched on Google but wasnt unable to find a permanent solution. It isnt a huge problem, Ill admit that, but it bothers me nonetheless. Can anyone share some tips to avoid this from happening any longer? Thanks in advance.