I need to center the green heading <h1> on line 12, but I am having trouble including both styles. Please advise if possible.
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<div><h1 style="color:green">BEAUTIFUL BACKYARDS</h1></div>
Beutiful Backyards is a new company in town, and we are eager to get your business. Please take some time to review our simple backyards.