.galleries-grid {
    width: 100%;
    height: 100%;
    position: relative;
    text-align: center;
    margin: 0 auto;
    padding: 0px;
}

.galleries-line {
    width: 100%;
    height: 100%;
}

.gallery-square {
    width: 47%;
    height: 100%;
    float: left;
    margin: 0 1.5% 3%;
    padding-bottom: 47%;
    position: relative;
}

.gallery-cover {
    position: absolute;
    top: 0px;
    left: 0px;
    width: 100%;
    height: 100%;
    background-position: center center;
    background-size: cover;
}