.collage {
  padding-top: 15px;
  padding-bottom: 15px;
}
.collage .container .row .collageSingle {
  overflow: hidden;
  border-radius: 4px;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  height: 100%;
}
.collage .container .row .collageSingle a {
  width: 100%;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  height: 500px;
  margin-bottom: 10px;
}
.collage .container .row .collageSingle a img {
  width: 100%;
  height: auto;
  -webkit-transition: 250ms ease;
  -o-transition: 250ms ease;
  transition: 250ms ease;
}
.collage .container .row .collageSingle:hover img {
  -webkit-transform: scale(1.1);
      -ms-transform: scale(1.1);
          transform: scale(1.1);
}
.collage .container .row .col-md-6 img {
  width: 100%;
  height: 400px;
  -o-object-fit: cover;
     object-fit: cover;
}
.collage .container .row .col-md-4 img {
  width: 100%;
  height: 400px;
  -o-object-fit: cover;
     object-fit: cover;
}