.navigation {
    padding: 15px;
    margin: 0 15px 15px 15px;
    text-align: center;
    border-bottom: 2px solid #343a40;
}
.navigation a {
    font-size: 3vw;
    margin: 1vw;
    padding: 0 20px;
}

.title {
    text-align: center;
    padding: 5px;
    color: #343a40;
}


.image-gallery {
    margin: 30px;
}
.image-gallery.row [class*="col-"] {
    margin-bottom: 30px;
}
.image-gallery.row a {
    display: block;
    color: #343a40 !important;
    width: 100%;
    height: 100%;
}
.image-gallery.row a img {
    width: 100%;
    transition: transform .5s;
}
.image-gallery.row a img:hover {
    transform: scale(1.2);
}