.portfolio {
	margin: 0 auto;
	padding: 0;
}
.portfolio a:link img {border: 1px solid #000000;}
.portfolio a:visited img {border: 1px solid #000000;}
.portfolio a:hover img {border: 1px solid #cccccc;}
.portfolio a:active img {border: 1px solid #cccccc;}
.portfolio a:focus img {border: 1px solid #cccccc;}