.gallery-thumb {
  display: inline-block;
  margin-bottom: 2%;
  padding: 1%;
  vertical-align: top;
  width: 100%;
}

.gallery-thumb-container {
  background-size: cover;
  background-position: center;
  overflow: hidden;
  padding-top: 56.25%;
  width: 100%;
}

.gallery-thumb span {
  display: block;
  overflow: hidden;
  text-align: center;
}

/* Gallery 2-collumn switch */
@media only screen and (min-width : 550px) {
	.gallery-thumb {
		margin-right: 2%;
		width: 49%;
	}

	.gallery-thumb:nth-child(2n) {
		margin-right: 0;
	}
}

/* Gallery 3-collumn switch */
@media only screen and (min-width : 1280px) {
	.gallery-thumb {
		margin-right: 2%;
		width: 32%;
	}

	.gallery-thumb:nth-child(2n) {
		margin-right: 2%;
	}

	.gallery-thumb:nth-child(3n) {
		margin-right: 0;
	}
}