.portfolio-categories {
	margin-bottom: 35px;
	text-align: center;
}
.portfolio-categories li {
	display: inline-block;
}
.portfolio-categories li a { 
	color: #777;
	text-transform: uppercase;
	letter-spacing: 2px;
	display: inline-block;
	width: 100%;
	text-decoration: none;
	font-family: 'montserratlight';
	font-size: 14px;
}
.portfolio-categories li a::before {
	content: "/";
	margin-right: 16px;
	margin-left: 16px;
	color: #777;
}
.portfolio-categories li:first-child a::before {
	margin: 0;
}
.portfolio-categories li:first-child a::before {
	content: "";
}
.portfolio-categories li a:hover,
.portfolio-categories li a:focus,
.portfolio-categories li a.active {
	color: #33a9ee;
}
.portfolio-item {
	position: relative;
	overflow: hidden;
	margin-bottom: 15px;
	margin-top: 15px;
}
.portfolio-item::before {
	content: "";
	position: absolute;
	left: 15px;
	right: 15px;
	top: 0;
	bottom: 0;
	background-color: rgba(0,0,0,0.70);
	-webkit-transition: all 1s ease 0s;
    -moz-transition: all 1s ease 0s;
    -o-transition: all 1s ease 0s;
    transition: all 1s ease 0s;
	opacity: 0;
}
.portfolio-item > a {
	width: 49px;
	height: 49px;
	position: absolute;
	top: 50%;
	left: 0;
	right: 0;
	z-index: 1;
	opacity: 0;
	margin: 0 auto;
	-webkit-transition: all 1s ease 0s;
    -moz-transition: all 1s ease 0s;
    -o-transition: all 1s ease 0s;
    transition: all 1s ease 0s;
	-webkit-transform: translate(0%, -50%);
	-moz-transform: translate(0%, -50%);
	-ms-transform: translate(0%, -50%);
	transform: translate(0%, -50%);
}
.portfolio-item-hover {
	position: absolute;
	left: 0;
	right: 0;
	bottom: 30px;
	-webkit-transition: all 1s ease 0s;
    -moz-transition: all 1s ease 0s;
    -o-transition: all 1s ease 0s;
    transition: all 1s ease 0s;
	opacity: 0;
	z-index: 1;
	display: inline-block;
	text-align: center;
	color: #fff;
	text-transform: uppercase;
}
.portfolio-item-hover h3 {
	font-size: 14px;
	font-weight: bold;
	letter-spacing: 1px;
}
.portfolio-item-hover h4 {
	font-size: 12px;
	color: #33a9ee;
	margin-bottom: 0;
}
.portfolio-item:hover .portfolio-item-hover,
.portfolio-item:hover::before,
.portfolio-item:hover > a { 
	opacity: 1;
}