<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:background="@drawable/backgroundcomp">

    <Button
        android:id="@+id/frag2btn2010"
        android:text="YEAR 2010"
        android:textColor="#000000"
        android:textSize="30sp"
        android:layout_width="360dp"
        android:layout_height="60dp"
        android:shadowColor="#A742FF"
        android:layout_centerHorizontal="true"
        android:shadowDx="0"
        android:shadowDy="0"
        android:shadowRadius="5"
        style="@style/Widget.AppCompat.Button.Colored"
        />
And So On Buttons Are Present
</RelativeLayout>