section h2.section-heading {
    margin-top: 0;
    margin-bottom: 15px;
    text-align: center;
}

section h1.section-heading {
    margin-top: 0;
    margin-bottom: 15px;
    text-align: center;
}

#portfolio .portfolio-item {
    right: 0;
    margin: 0 0 15px;
}

#portfolio .portfolio-item .portfolio-link {
    display: block;
    position: relative;
    margin: 0 auto;
    max-width: 400px;
}

#portfolio .portfolio-item .portfolio-link .portfolio-hover {
    position: absolute;
    width: 100%;
    height: 100%;
    opacity: 0;
    background: rgba(152,251,152,.8);
    -webkit-transition: all ease .5s;
    -moz-transition: all ease .5s;
    transition: all ease .5s;
}


#portfolio .portfolio-item .portfolio-link .portfolio-hover:hover {
    opacity: 1; 
}

#portfolio .portfolio-item .portfolio-link .portfolio-hover .portfolio-hover-content {
    position: absolute;
    top: 50%;
    width: 100%;
    height: 20px;
    margin-top: -12px;
    text-align: center;
    color: #fff;
}

#portfolio .portfolio-item .portfolio-link .portfolio-hover .portfolio-hover-content i {
    margin-top: -12px;
}

#portfolio .portfolio-item .portfolio-link .portfolio-hover .portfolio-hover-content h3,
#portfolio .portfolio-item .portfolio-link .portfolio-hover .portfolio-hover-content h4 {
    margin: 0;
}

#portfolio * {
    z-index: 2;
}

.fa-3x {
    font-size: 3em;
}

.fa {
    display: inline-block;
    font-family: FontAwesome;
    font-style: normal;
    font-weight: normal;
    line-height: 1;
}

.img-responsive, .thumbnail > img, .thumbnail a > img, .carousel-inner > .item > img, .carousel-inner > .item > a > img {
    display: block;
    max-width: 100%;
    height: auto;
}

.text-center {
    text-align: center;
}