body {
  background: white;
}

table.calc {
      border: solid 1px #999999;
      border-spacing: 5px;
      border-spacing: 2px;
      border: 1;
      background: #999999;
   }
table.calc td {
      padding: 1px;
      border: 1;
   }
table.calc tbody {
      color: black;
      background:#EEEEEE;
   }
table.calc input {
      color: white;
      background:black;
   }

table.calc input.readonly {
      color: #222222;
      background:#EEEEEE;
   }

table.calc input.button {
	color: blue;
	background: yellow;
	}