.b1 { border-collapse: collapse; background-image: url(images/21.gif); height: 25px; width: 25px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px}
.b2 { border-collapse: collapse; background-image: url(images/22.gif); height: 25px; width: 25px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px }
.b3 { border-collapse: collapse; background-image: url(images/23.gif); height: 25px; width: 25px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px }
.b4 { border-collapse: collapse; background-image: url(images/24.gif); height: 25px; width: 25px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px }
.b5 { border-collapse: collapse; background-image: url(images/25.gif); height: 25px; width: 25px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px }
.b6 { border-collapse: collapse; background-image: url(images/26.gif); height: 25px; width: 25px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px }
.b7 { border-collapse: collapse; background-image: url(images/27.gif); height: 25px; width: 25px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px }
.b8 { border-collapse: collapse; background-image: url(images/28.gif); height: 25px; width: 25px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px }