Graphic upgrade

Hi dears

There are some costumized faceplates and detail faceplates in our project for modules that communicate with serial communication.so we are trying to do upgrade to new version from 6.3 to 11.3.you know that there too many differences  in the new versions .I want to know how can i upgrade our costumized faceplates to become same as deltav 11.3 in the shap and color .