Manual for SCSS Class and Elements which I can change in vuforia

Hello, I would like to know if there is any reference material where I can look for the elements which I can change in the widgets of vuforia, using SCSS. For example, when I want to change a button I can set position, text color, background color etc. I am having trouble with this because of the texts inside the widgets which don't change like the value display text. Besides I would like to know the easiest ways to do these things which I can find only in a manual.