.portfolio {
	position: relative;
	margin: 120px auto;
	width: 750px;
	height: auto;
  	text-align: center;
  	z-index: 1;
	}

ul#grid {
  	list-style: none;
  	width: 720px;
	}

#grid li {
  	float: left;
  	margin: 15px 25px 15px 15px;
	}

#grid li a {
  	display: block;
  	width: 180px;
  	height: 150px;
  	text-decoration: none;
  	outline: 0;
  	background-color: #FFF;
  	}

#grid li a:hover img {
  	opacity:1.0;  filter:alpha(opacity=100);
  	}

#grid li img {
  	width: 180px;
  	height: 150px;
  	opacity:0.65;  filter:alpha(opacity=65);
  	border: 0;
  	outline: 0;
  	}
    	
#grid li a .category {
	position: relative;
	float: left;
	padding-top: 15px;
	width: 190px;
	}

#grid a:visited {
	text-decoration: none;
	}
	
.category {
	font: small-caps bold 13px Georgia, Times New Roman, Times, serif;
	letter-spacing: 0.1em;
	color: #333;
	}