.content {
  max-width: 490px;
  float: left;
  padding-right: 50px; }

@media screen and (max-width:320px) {
	.content {
		max-width: inherit;
		float: none;
		padding-right: 0px;
	}
}

@media screen and (min-width:321px) and (max-width:479px) { 
	.content {
		max-width: inherit;
		float: none;
		padding-right: 0px;
	}
}

@media screen and (min-width:479px) and (max-width:960px) {
	.content {
		max-width: inherit;
		float: none;
		padding-right: 0px;
	}
	.side {
		float: none;
		margin: 0 auto;
	}
}