#portfolio {
    padding: 0 0 240px 0;
}
#portfolio .section-title {
    background: #444 url(../img/intro-bg.jpg) center center no-repeat fixed;
    background-size: cover;
    margin-bottom: 50px;
}
#portfolio .section-title h2 {
    color: #fff;
    font-size: 72px;
}
.section-title .overlay {
	padding: 80px 0;
	background: rgba(0, 0, 0, 0.7);
}
.categories {
    padding-bottom: 30px;
    text-align: center;
}
ul.cat li {
    display: inline-block;
}
ol.type li {
    display: inline-block;
    margin: 0 10px;
    padding: 20px 0;
}
ol.type li a {
    color: #999;
    font-weight: 500;
    font-size: 14px;
    padding: 12px 24px;
    background: #eee;
    border: 0;
    border-radius: 0;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}
ol.type li a.active {
    color: #fff;
    background-color: #fecd0a;
}
ol.type li a:hover {
    color: #fff;
    background-color: #fecd0a;
}
.isotope-item {
    z-index: 2;
}
.isotope-hidden.isotope-item {
    z-index: 1;
}
.isotope,
.isotope .isotope-item {
    /* change duration value to whatever you like */
    -webkit-transition-duration: 0.8s;
    -moz-transition-duration: 0.8s;
    transition-duration: 0.8s;
}
.isotope-item {
    margin-right: -1px;
    -webkit-backface-visibility: hidden;
    backface-visibility: hidden;
}
.isotope {
    -webkit-backface-visibility: hidden;
    backface-visibility: hidden;
    -webkit-transition-property: height, width;
    -moz-transition-property: height, width;
    transition-property: height, width;
}
.isotope .isotope-item {
    -webkit-backface-visibility: hidden;
    backface-visibility: hidden;
    -webkit-transition-property: -webkit-transform, opacity;
    -moz-transition-property: -moz-transform, opacity;
    transition-property: transform, opacity;
}
.portfolio-item {
    margin: 15px 0;
}
.portfolio-item .hover-bg {
    overflow: hidden;
    position: relative;
}
.portfolio-item .hover-bg:before {
    display: block;
    content: "";
    position: absolute;
    top: 6px;
    right: 6px;
    bottom: 6px;
    left: 6px;
    border: 1px solid rgba(255, 255, 255, 0.6);
}
.hover-bg .hover-text {
    position: absolute;
    text-align: center;
    margin: 0 auto;
    color: #fff;
    background: rgba(0, 0, 0, 0.6);
    padding: 30% 0 0 0;
    height: 100%;
    width: 100%;
    opacity: 0;
    transition: all 0.5s;
}
.hover-bg .hover-text > h4 {
    opacity: 0;
    color: #fff;
    -webkit-transform: translateY(100%);
    transform: translateY(100%);
    transition: all 0.3s;
    font-size: 17px;
    letter-spacing: 0.5px;
    font-weight: 500;
}
.hover-bg:hover .hover-text > h4 {
    opacity: 1;
    -webkit-backface-visibility: hidden;
    -webkit-transform: translateY(0);
    transform: translateY(0);
}
.hover-title > h4 {
    color: #333;
    font-size: 17px;
    text-align: center;
}
.hover-bg:hover .hover-text {
    opacity: 1;
}