body {background: #000;}
#container{margin:auto; width:500px; height:800px; position:relative;}
img {border: 0;height:80%;width:80%;position:relative;left:50px;}

@media only screen and (max-width: 600px) {

	#container{
		width:95%;
		height:95%;
		margin:auto;
	}
	
  img {
    width: 80%;
    height: 80%;
	margin:auto;
	position:relative;
	left:10px;
  }
}