Bismillah.
Based on Materia theme with red accent for Cinnamon DE consists of cinnamon, gtk2, gtk3 and metacity theme. There are 2 variant, regular and dark.

Installation :
In Home folder
- Make folder .themes in your home folder ( " . " mean hidden )
- Download the tar file and extract in it

OR

In Root folder
- Download the tar file, copy and extract it in /usr/share/themes (can use GUI via file manager as Root or command line)

Please share and rate.
Hope you enjoy it.