.Calculator {border: solid 1px #bfbfbf; font:normal 10px/12px Verdana;}
.Calc_Head {font-weight:normal; color:#FFFFFF; background-color: #31659c; text-align:center;}
.Calc_Row {text-align: center;}
.Calc_Answer {background-color:#DDDDDD; font-size: 11px; font-family: Arial, Helvetica, Sans Serif, Tahoma; color:#333333;}


.Calculator td input {border: 1px solid #bfbfbf; height:15px; background:#FFF;}
.Calculator td input.Button {border: none; background: url("/files/images/cor-solve-btn.jpg")no-repeat; display:block; width:57px; height:24px; text-indent:-9999px; font-size:0; line-height:0; cursor:pointer;}

td {height:20px; line-height:20px; padding:2px 5px;}