LB-666 : Users screen styling improvement

CSS fixed.
LB-668 : Liveblog dasboard > archive tab - searchbox displaying bad

Fixed CSS.
LB-664 : Input elements doesn't look the same on the liveblog configure page

Fixed
LB-667: Add new blog modal - styling improvement

Fixed
Merge pull request #32 from nidzix/general-styling-improvment

Liveblog general styling improvement (LB-666, LB-668, LB-664, LB-667)