THEME_DIR = Grav ROOT/user/data/gantry5/themes/YOUR_DEFAULT_THEME

1. GO TO - "THEME_DIR" using an FTP client.

2. COPY - ALL FOLDERS to "THEME_DIR".

3. OPEN - "custom.scss" file from "THEME_DIR/scss" directory.
   (If it doesn't exist, create one on "THEME_DIR/scss/" directory.)

4. ADD -  
	@import "dependencies";
   on top op "custom.scss" file IF ALREADY DOESN'T EXIST.

5. ADD -  
	@import "gp_calltoaction4";
   on "custom.scss" file under @import "dependencies";
6. LOGIN - to your website admin -> GO TO Gantry Admin -> Recompile CSS.