body {background-color: yellow ; ; 
		 background-position: center center ; 
		 background-repeat: no-repeat ; 
		 height:100%; }
h1 {font-size: 1.3em; color:red ; font-weight: bold ; text-decoration: none ; text-align: center}
h2 {font.size: 1.3em; color:ForestGreen ; font-weight: bold ; text-decoration: none ; text-align: center}
h3 {font.size: 1.3em; color:green; text-align: center}