Android/feature/src/main/res/drawable/schedulet_discipline.xml

<?xml version="1.0" encoding="utf-8"?>
<shape
    xmlns:android="http://schemas.android.com/apk/res/android"
    android:shape="rectangle">
    <stroke
        android:width="1px"
        android:color="#666699">
    </stroke>
    <solid
        android:color="#d3d3e2">
    </solid>
</shape>