For ubuntu 14.x and 15.04 its gtk derivates.
Requires gtk2-engines-murrine in the gtk2-engines package it schould be.
download uses adfly blocking possible.Iy you have troubles with downloading send me a pm i wil send you download link afaican do!
IMPORTANT INFO : Visit http://askubuntu.com/questions/213697/how-can-i-install-gtk-themes-on-ubuntu if you don't know how to install this theme
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