.photo-gallery {
	background-size: cover;
	background-position: center center;
}

	#photo-one {
		background-image: url('../img/pu_soa_create_lab_lightvault_01.jpg');
	}
	#photo-two {
		background-image: url('../img/pu_soa_create_lab_arc574_catherine_ahn_piao_liu_lisa_ramsburg.jpg');
	}
	#photo-three {
		background-image: url('../img/pu_soa_create_lab_lightvault_06.jpg');
	}
	#photo-four {
		background-image: url('../img/pu_soa_create_lab_arc574_catherine_ahn_piao_liu_lisa_ramsburg_02.jpg');
	}
	#photo-five {
		background-image: url('../img/pu_soa_create_lab_lightvault_02.jpg');
	}
	#photo-six {
		background-image: url('../img/pu_soa_create_lab_arc596_melissa_barstow_jonah_coe_scharff.jpg');
	}
	#photo-seven {
		background-image: url('../img/pu_soa_create_lab_lightvault_03.jpg');
	}
	#photo-eight {
		background-image: url('../img/pu_soa_create_lab_lightvault_04.jpg');
	}
	#photo-nine {
		background-image: url('../img/pu_soa_create_lab_lightvault_05.jpg');
	}