.maincontent {
    display: block;
    max-width: 1250px;
    padding: 0;
}
.h2-heading {
    margin-top: 50px;
    text-align: center;
}
.portfolio-gallery + hr {
    border-top: 1px solid var(--accent-color);
}

/* -- Portfolio -- */

.portfolio-gallery {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    padding: 0 15px;
    margin: 50px auto;
}
.portfolio-gallery-item {
    position: relative;
    box-sizing: border-box;
    overflow: hidden;
    margin: 1%;
    width: 23%;
    max-height: 145px;
    border-radius: 5px;
    display: inline-block;
}
.portfolio-gallery-item img {
    width: 100%;
    height: 100%;
}
.portfolio-gallery-item img.vertical-img {
    width: 100%;
    height: auto;
}
.portfolio-gallery-item i {
    position: absolute;
    top: -50px;
    left: -50px;
    font-size: 2em !important;
    border-radius: 50%;
    margin: 0;
    padding: 10px;
    background: var(--accent-color);
    color: #fff;
    opacity: 0;
    transition: all .3s;
}
.portfolio-gallery-item:hover i {
    opacity: 1;
    top: 10px;
    left: 10px;
}
.portfolio-gallery-item:hover img {
    opacity: .6;
}