All credits to ufo71 over at xda developers for providing us with this awsome theme visit his thread here for more http://forum.xda-developers.com/galaxy-s6-edge/themes-apps/theme-apps-alternative-samsung-galaxy-t3315103/page2
YOU WILL NEED TO WATCH THIS VIDEO TO INSTALL THE THEME TO STOP IT REVERTING BACK TO THE DEFAULLT THEME https://www.youtube.com/watch?v=vtu1EYL8dwg
Download Diabolik Theme Here https://goo.gl/1qJZbL
Download Diabolik Clock Herehttp://goo.gl/R8CILo
to install the clock u will need to download zooper widget pro from the playstore then copy the downloaded clock file into the templates folder of the zooper widget using file explorer!!