Hello,
1. http://prntscr.com/jcnbwg and http://prntscr.com/jcndam
+ delete this custom css http://prntscr.com/jcncsg + change or delete this – http://prntscr.com/jcnd1h
2. Have you sorted out? http://prntscr.com/jcne4i
Delete or change this code http://prntscr.com/jcnehh – http://prntscr.com/jcnf87 (“Return to previous page” font color can be changed in Theme Options > General > Breadcrumbs)
3. Delete or change this code – http://prntscr.com/jcng1j
4-6. Have you sorted out? http://prntscr.com/jcngk4
We have 3 types of buttons on our site – light (for example http://prntscr.com/hdcwhy), dark (for example http://prntscr.com/hdcwxi), active (for example http://prntscr.com/hdcx3r). You may use Theme Options > Styling -> Content > Customize buttons to change styles of your buttons.
7. Please set “Inputs background color” in Theme Options > Styling > Content.
Regards