Material Theming: Android Basics with (The color of the light mode in source code github is different from the screen short)

[tampro9x92]

The color of light mode in the screen short are not the same ask the one screen short in turtorial
Link example of turtorial provide : https://github.com/google-developer-training/basic-android-kotlin-compose-training-woof.git

I'm using android studio version