markup.xml

<?xml version="1.0" encoding="utf-8"?>

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:orientation="vertical"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:background="@color/orange_hn"
    >

    <TextView
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:textColor="@color/white"
        android:layout_gravity="center_horizontal"
        android:layout_marginTop="36dp"
        android:layout_marginBottom="30dp"
        android:textStyle="bold"
        android:text="Y"
        android:textSize="56sp"
        />

    <EditText
        android:layout_width="match_parent"
        android:layout_height="36dp"
        android:layout_marginTop="16dp"
        android:layout_marginLeft="@dimen/login_margin"
        android:layout_marginRight="@dimen/login_margin"
        android:padding="6dp"
        android:background="@drawable/rounded_box_white"
        android:hint="@string/username"
        />

    <EditText
        android:layout_width="match_parent"
        android:layout_height="36dp"
        android:layout_marginTop="16dp"
        android:layout_marginLeft="@dimen/login_margin"
        android:layout_marginRight="@dimen/login_margin"
        android:padding="6dp"
        android:background="@drawable/rounded_box_white"
        android:hint="@string/password"
        />

    <Button
        android:layout_width="match_parent"
        android:layout_height="36dp"
        android:layout_marginTop="16dp"
        android:layout_marginLeft="@dimen/login_margin"
        android:layout_marginRight="@dimen/login_margin"
        android:textColor="@color/white"
        android:background="@drawable/rounded_box_grey"
        android:text="@string/log_in"
        />

</LinearLayout>