td {
       font-size: 12px;
       line-height: 120%;
} 
.cat {
       border-top-style: solid;
       border-left-style: solid;
       border-right-style: solid;
       border-bottom-style: solid;
       border-top-color: #CCCCCC;
       border-left-color: #CCCCCC;
       border-right-color: #CCCCCC;
       border-bottom-color: #CCCCCC;
       border-top-width: 1px;
       border-left-width: 1px;
       border-right-width: 1px;
       border-bottom-width:1px; 
}
.cat {
       border-top-style: solid;
       border-left-style: solid;
       border-right-style: solid;
       border-bottom-style: solid;
       border-top-color: #999999;
       border-left-color: #999999;
       border-right-color: #999999;
       border-bottom-color: #999999;
       border-top-width: 1px;
       border-left-width: 1px;
       border-right-width: 1px;
       border-bottom-width:1px; 
}