#gallery ul li.th1 {background:url(../../images/roofing/roofing-thmb-01.jpg);}
#gallery ul li.th2 {background:url(../../images/roofing/roofing-thmb-02.jpg);}
#gallery ul li.th3 {background:url(../../images/roofing/roofing-thmb-03.jpg);}
#gallery ul li.th4 {background:url(../../images/roofing/roofing-thmb-04.jpg);}
#gallery ul li.th5 {background:url(../../images/roofing/roofing-thmb-05.jpg);}
#gallery ul li.th6 {background:url(../../images/roofing/roofing-thmb-06.jpg);}
#gallery ul li.th7 {background:url(../../images/roofing/roofing-thmb-07.jpg);}
#gallery ul li.th8 {background:url(../../images/roofing/roofing-thmb-08.jpg);}
#gallery ul li.th9 {background:url(../../images/roofing/roofing-thmb-09.jpg);}