body { font-family: Helvetica Neue,Helvetica,Arial; text-align: center; }

div#container { width: 1200px; margin: auto; }
div#left   { float: left; width: 700px; text-align: left; margin: 20px 20px 100px 20px } 
div#right  { margin: 20px } 

@media only screen and (max-width: 1000px) { 
	div#container { width: 100%; margin: auto; }
	div#left   { float: left; width: 100%; text-align: left; margin: 0px } 
	img { width: 100%; }
}