حصريا كود css لجعل الاقسام دائرية

/* الاقسام دائرية by c.ronaldo */
td.row1 {
background: url("http://www.mrsavb.com/vb/Css2011-Mrsa/gradients/gradient_thead2.gif") no-repeat scroll right top #F4F4F4;
border: 1px solid #C7C7C7;
border-radius: 18px 18px 18px 18px;
color: #707070;
font-family: arial,helvetica,verdana;
font-size: 16px;
font-style: normal;
font-variant: normal;
font-weight: bold;
text-shadow: 2px 1px 1px #CECECE;
}
td.row2 {
background: url("http://www.mrsavb.com/vb/Css2011-Mrsa/gradients/gradient_thead2.gif") no-repeat scroll right top #F4F4F4;
border: 1px solid #C7C7C7;
border-radius: 18px 18px 18px 18px;
color: #707070;
font-family: arial,helvetica,verdana;
font-size: 16px;
font-style: normal;
font-variant: normal;
font-weight: bold;
text-shadow: 2px 1px 1px #CECECE;
}
td.row3 {
background: url("http://www.mrsavb.com/vb/Css2011-Mrsa/gradients/gradient_thead2.gif") no-repeat scroll right top #F4F4F4;
border: 1px solid #C7C7C7;
border-radius: 18px 18px 18px 18px;
color: #707070;
font-family: arial,helvetica,verdana;
font-size: 16px;
font-style: normal;
font-variant: normal;
font-weight: bold;
text-shadow: 2px 1px 1px #CECECE;
}