Windows 7 Icon Theme
This is a port of the Win2-7 Pack icon theme adjusted to work with GTK 3.18+ and enhanced with 256px icons from Big Windows 7's icons pack by NhatPG
Credits: https://www.gnome-look.org/content/show.php/Win2-7+Pack?content=113264
https://www.deviantart.com/nhatpg/art/Big-Windows-7-s-icons-pack-111383821