table { 
border-collapse:collapse; 
 }

td div.estudio {
padding:5px; 
width:534px; 
height:400px; 
overflow:auto;
scrollbar-arrow-color:#949393;
scrollbar-3dlight-color:#C7C7C6;
scrollbar-highlight-color:#FFFFFF;
scrollbar-face-color:#CECECD;
scrollbar-shadow-color:#ADACAB;
scrollbar-darkshadow-color:#CECECD;
scrollbar-track-color:#DDDDDC;

}