@media (max-width: 320px)
	.thumbnails > li {
    float: none;
    margin-left: 0;
}

@media (max-width: 767px)
.thumbnails > li {
    float: left;
    margin-bottom: 18px;
    margin-left: 20px;
}

.thumbnails > li {
    float: left;
    margin-bottom: 18px;
    margin-left: 20px;
}