body {
  background-color: rgba(51, 51, 51, 0.08); }

.card {
  border: 1px solid #26a69a; }

.thumbnail {
  position: relative;
  width: 100%; }

.dummy {
  padding-top: 100%;
  /* forces 1:1 aspect ratio */ }

.img-container {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  right: 0;
  text-align: center;
  /* Align center inline elements */
  font: 0/0 a; }

.img-container:before {
  content: ' ';
  display: inline-block;
  vertical-align: middle;
  height: 100%; }

.img-container img {
  vertical-align: middle;
  display: inline-block;
  max-width: 100%;
  max-height: 100%; }

.row.bottommargin {
  margin-bottom: 4%; }