analytics/webcontent/tm1/bux/css/websheet/workbook.css

 .claro .tm1Widget .dijitTabContainerBottom-tabs{
 	background-color: white;
 }
.claro .tm1Widget .dijitTabContainerBottom-tabs .dijitTab {
    padding-bottom: 3px;
    background-image:url("");
    border-style:none none none;
}
.claro .tm1Widget .dijitTabContainerBottom-tabs .dijitTabChecked .dijitTabContent {
    background-position: 0 -119px;
    padding-bottom: 3px;
    padding-top: 4px;
}