#calculator { 
    color: #030;
    xwidth: 100%;
    border: none;
}

#calc { margin: 0 auto;
 }

#calc form select { 
    color: black;
    xwidth: 100%;
    padding: 3px 0;
    xmargin: 1px 0 0 0;
    border: none;
    background-color: #eef;
}


#calc .tdarrow td {
  text-align:center;
}

#calc table, #calc th, #calc td {  
  border: 1px solid #9c9;
  margin: 0 auto;
  text-align: center;
  }

#calc th a {
      position: relative;
      color: #484;
}

#calc th, #calc td { 
  xpadding: 4px 4px;
  xmargin: 4px;
  }

#calc th:nth-child(1), #calc td:nth-child(1){ 
  text-align: center;
  xwidth: 100%;
  xbackground-color: orange;
}

#calc th:nth-child(2), #calc td:nth-child(2) { 
  text-align: center;
  xwidth: 100%;
}

#calc th:nth-child(3), #calc td:nth-child(3) { 
  text-align: center;
  xwidth: 100%;
}

#calc th:nth-child(4), #calc td:nth-child(4) { 
  text-align: center;
  xwidth: 100%;
}

#calc th:nth-child(5), #calc td:nth-child(5) { 
  text-align: center;
  xwidth: 100%;
}





/* .table { display:table; }
.table input { width: 100px !important; text-align: right; padding: 3px; margin-right: 5px;}
.table select { width: 200px !important; text-align: right; padding: 5px; margin-right: 5px;}
.tr {display:table-row; }
*/