title: How to change background color of GtkTextView?
body: <p>How to change background color of GtkTextView? I tried with normal widget set bg functionality but gtk is just changing border color of GtkText View.</p>
  
  <p>Plus can some some please explain me with simple example, that how to change Text Color/Font/Text Size in GtkTextView (Whole text in GtkTextView)?</p>
  
  <p>I fond some examples but they are not working..</p>
  
  <p>Thnaks,
  PP.</p>