.gallery a.pic1 {background-image: url('images/tn/tn1.jpg'); height: 75px; width: 75px;}
.gallery a.pic2 {background-image: url('images/tn/tn2.jpg'); height: 75px; width: 75px;}
.gallery a.pic3 {background-image: url('images/tn/tn3.jpg'); height: 75px; width: 75px;}
.gallery a.pic4 {background-image: url('images/tn/tn4.jpg'); height: 75px; width: 75px;}
.gallery a.pic5 {background-image: url('images/tn/tn5.jpg'); height: 75px; width: 75px;}

.gallery a.pic6 {background-image: url('images/tn/tn6.jpg'); height: 75px; width: 75px;}
.gallery a.pic7 {background-image: url('images/tn/tn7.jpg'); height: 75px; width: 75px;}
.gallery a.pic8 {background-image: url('images/tn/tn8.jpg'); height: 75px; width: 75px;}
.gallery a.pic9 {background-image: url('images/tn/tn9.jpg'); height: 75px; width: 75px;}
.gallery a.pic10 {background-image: url('images/tn/tn10.jpg'); height:75px; width: 75px;}

.gallery a.pic11 {background-image: url('images/tn/tn11.jpg'); height: 75px; width: 75px;}
.gallery a.pic12 {background-image: url('images/tn/tn12.jpg'); height: 75px; width: 75px;}
.gallery a.pic13 {background-image: url('images/tn/tn13.jpg'); height: 75px; width: 75px;}