.gallery-column {
    width: 50%;
    float: left;
    margin-bottom: 0;
}

@media screen and (max-width: 768px) {
    .gallery-column {
        width: 100%;
    }
}

.gallery-image-split::after {
    content: '';
    display: block;
    clear: both;
} 

.gallery-column a:hover, .gallery-column a {
    -webkit-transition: all .3s ease-in-out;
    -moz-transition: all .3s ease-in-out;
     -o-transition: all .3s ease-in-out;
    transition: all .3s ease-in-out;
}

.gallery-column a:hover {
    opacity: .8;
}

.gallery-image-split .gallery-item {
    float: left;
    width: 50%;
}

.gallery-item {
    display: block;
    height: 155px; width: 100%;
    background-size: cover;
    background-position: center;
    border: 2px solid white;
}

.gallery-item-large {
    height: 330px;
}

.mfp-container .mfp-arrow:after, .mfp-container .mfp-arrow:before {
    content:"\f105";
    font-family: 'FontAwesome';
    font-size: 74px;
    color: white;
    display: block;
    width: 0;
    height: 0;
    position: absolute;
    left: 0;
    top: 0;
    margin-top: 35px;
    margin-left: 35px;
    border: 0;
}
.mfp-figure .mfp-close {
    font-size: 46px;
}

.mfp-container .mfp-arrow.mfp-arrow-left:after,.mfp-container .mfp-arrow.mfp-arrow-left:before {
    content:"\f104";
}