#col1 { width: 37px; background-image: url(../images/col1.jpg); }
#col2 { width: 36px; background-image: url(../images/col2.jpg); }
#col3 { width: 37px; background-image: url(../images/col3.jpg); }
#col4 { width: 36px; background-image: url(../images/col4.jpg); }
#col5 { width: 37px; background-image: url(../images/col5.jpg); }
#col6 { width: 36px; background-image: url(../images/col6.jpg); }