Remove tab overlap left over from curved tabs

https://bugzilla.gnome.org/show_bug.cgi?id=722614
Remove shadows from active menu buttons

https://bugzilla.gnome.org/show_bug.cgi?id=722610
Don't add a frame around modal dialogs

https://bugzilla.gnome.org/show_bug.cgi?id=722072
Update style for message dialogs

https://bugzilla.gnome.org/show_bug.cgi?id=722072
tabs: Correct styling for all tab locations

https://bugzilla.gnome.org/show_bug.cgi?id=722624
Fix hover style for left and right tabs

https://bugzilla.gnome.org/show_bug.cgi?id=722627
Remove separators from font chooser and file chooser

Font button's size label was made brighter to replace the separator

https://bugzilla.gnome.org/show_bug.cgi?id=722633
headerbar: bring back lapo's bottom shade somewhat
Remove shadow from scrollbar throughs

https://bugzilla.gnome.org/show_bug.cgi?id=722637
Use the same color combo box arrow use for open icons of file chooser buttons

https://bugzilla.gnome.org/show_bug.cgi?id=722650
tabs: visual workaround for overshooting border

- vertically the tabs' :hover overshoots dialogs
  this workaround makes :hover inset shadow a bit darker so it
  feels to form a border, but still works when neighboring a border
tab: tone down the inset shadow for :hover
Don't prelight active tabs

https://bugzilla.gnome.org/show_bug.cgi?id=722710
Remove bottom border from notebooks with show-border=FALSE

This leads to double borders in, for example, gtk3-demo. Show-border has an effect of adding .frame class to notebook, so the very next rule re-adds the border to bordered notebooks.

https://bugzilla.gnome.org/show_bug.cgi?id=722717
gedit: remove GeditPanel custom css

This widget has been removed now.
gedit: set explicit padding to file browser widget toolbar
adwaita: Theme GtkPopovers and their OSD counterparts

GtkPopovers are menu alike widgets that are shown pointing to
a definite area. Entries and textviews define some of those
that act as OSD for certain touch operations.