Material Theming: Android Basics with Compose

[YOUSSEF1806]

URL of codelab https://developer.android.com/codelabs/basic-android-kotlin-compose-material-theming?continue=https%3A%2F%2Fdeveloper.android.com%2Fcourses%2Fpathways%2Fandroid-basics-compose-unit-3-pathway-3%23codelab-https%3A%2F%2Fdeveloper.android.com%2Fcodelabs%2Fbasic-android-kotlin-compose-material-theming#3

In which task and step of the codelab can this issue be found? Color mapping 3.

Describe the problem
Card component doesn't chage color (ThemeMaterial used on codelab doesn't modify "surfaceContainerHighest")