body {
	 background-color:green;
    }
	
h2 {
	font-size:3em;
	text-align:center;
   }

h1 {margin-left:40px}

  
#dairy-cow-big {
	width:280px;
	display: block;
	margin: auto:
   }
   
#tiger {
	width:180px;
	display: block;
	margin: auto:
   }
 banner2 {width:4000px
 }

 Nature-banner{width:2000px