Apart from font face and solarized theme (which is well configured in earlier screenshot), the next one better with nice toolbar, menus and scrollbars. I checked that on both machines I have GTK3 installed. I tried copying GTK rc files, but it didn’t help.
What should I do to make emacs on my original installation look better?
@nightwishfan I installed gtk3-metatheme-adwaita, deleted all gtk rc files in my home and logged out and in. But still my Emacs doesn’t look good. On the other hand all other GTK programs inherit the KDE’s gtk settings.