.bt01 a { color: black; font-size: 10px; font-family: Verdana, Helvetica, Arial, sans-serif; text-decoration: none; background-color: #b3b49b; padding: 3px 2px 5px 5px; border-left: 1px solid #000; display: block }
.bt02 a     { color: black; font-size: 10px; font-family: Verdana, Helvetica, Arial, sans-serif; text-decoration: none; background-color: #f00; padding: 3px 2px 5px 5px; border-left: 1px solid #000; display: block }
.bt03 a  { color: black; font-size: 10px; font-family: Verdana, Helvetica, Arial, sans-serif; text-decoration: none; background-color: #ff7cff; padding: 3px 2px 5px 5px; border-left: 1px solid #000; display: block }
.bt04 a  { color: black; font-size: 10px; font-family: Verdana, Helvetica, Arial, sans-serif; text-decoration: none; background-color: #c1e0c0; padding: 3px 2px 5px 5px; border-left: 1px solid #000; display: block }
.bt05 a { color: black; font-size: 10px; font-family: Verdana, Helvetica, Arial, sans-serif; text-decoration: none; background-color: #ffedc1; padding: 3px 2px 5px 5px; border-left: 1px solid #000; display: block }
.bt06 a { color: black; font-size: 10px; font-family: Verdana, Helvetica, Arial, sans-serif; text-decoration: none; background-color: #7fff7f; padding: 3px 2px 5px 5px;border-left: 1px solid #000; display: block }
.bt07 a { color: black; font-size: 10px; font-family: Verdana, Helvetica, Arial, sans-serif; text-decoration: none; background-color: #f4c8f3; padding: 3px 2px 5px 5px; border-left: 1px solid #000; display: block }
.bt08 a { color: black; font-size: 10px; font-family: Verdana, Helvetica, Arial, sans-serif; text-decoration: none; background-color: #feff00; padding: 3px 2px 5px 5px; border-left: 1px solid #000; display: block }
.bt09 a  { color: black; font-size: 10px; font-family: Verdana, Helvetica, Arial, sans-serif; text-decoration: none; background-color: #3f00fe; padding: 3px 2px 5px 5px; border-right: 1px solid black; border-left: 1px solid #000; display: block }
.bt01 a:hover  { background-color: white }
.bt02 a:hover  { background-color: white }
.bt03 a:hover  { background-color: white }
.bt04 a:hover  { background-color: white }
.bt05 a:hover  { background-color: white }
.bt06 a:hover  { background-color: white }
.bt07 a:hover  { background-color: white }
.bt08 a:hover  { background-color: white }
.bt09 a:hover  { background-color: white }