/*[role*=columnheader] { 
    color: black;
    font-weight: bold;
}

[role*=gridcell].dx-group-cell { 
    color: rgb(249 115 22);
    font-weight: lighter;
}*/


.dx-tab-selected:after {  
    border-left: 1px solid #ddd!important;  
    border-right: 1px solid #ddd!important;  
    border-top: none!important;  
}  
.dx-tabpanel.dx-state-focused .dx-tab:not(.dx-tab-selected):before {  
    border-bottom: 1px solid #ddd!important;  
}  
.dx-tabpanel.dx-state-focused .dx-multiview-wrapper {  
    border: 1px solid #ddd!important;  
}