WordPress/src/main/res/layout/category_select_button.xml

<?xml version="1.0" encoding="utf-8"?>
<Button xmlns:android="http://schemas.android.com/apk/res/android"
    android:id="@+id/selectCategories"
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    android:layout_marginLeft="16dp"
    android:clickable="true"
    android:drawableEnd="@drawable/ic_add_grey600_24dp"
    android:drawableRight="@drawable/ic_add_grey600_24dp"
    android:minHeight="48dp"
    android:minWidth="48dp"
    android:paddingRight="12dp"
    android:contentDescription="@string/add_category"
    android:tag="select-category" />