.sample1 {
	background-image: url(feature-property/images/sample-photo-link-1.jpg);
}
.sample2 {
	background-image: url(feature-property/images/sample-photo-link-2.jpg);
}
.sample3 {
	background-image: url(feature-property/images/sample-photo-link-3.jpg);
}
.sample4 {
	background-image: url(feature-property/images/sample-photo-link-4.jpg);
}