avh-plan-android/app/src/main/res/layout/forever_alone_button.xml

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    android:orientation="vertical"
    android:layout_width="match_parent"
    android:layout_height="wrap_content">

    <com.google.android.material.button.MaterialButton
        android:id="@+id/buttonclearallcolours"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        app:strokeColor="@color/textcolor"
        app:strokeWidth="2dp"
        android:textColor="@color/textcolor"
        android:text="@string/clearall"
        android:layout_marginTop="8dp"
        android:layout_marginBottom="8dp"
        android:layout_marginStart="16dp"
        android:layout_marginEnd="16dp"
        style="@style/Widget.MaterialComponents.Button.OutlinedButton"/>

</LinearLayout>