body {
	max-width: 34em;
	height: 40em;
	margin: auto;
	background-color: grey;
}

table, td {
  border-collapse: collapse;
  width: 100%;
  height: 100%;
  text-align: center;
  font-weight: bold;
  font-size: 2em;
  color: white;
  background-color: black;
  overflow: hidden;
  margin: auto;
}

td {
	/*max-width: 760px;*/
    border: 1px solid black;
    /*padding: 0.3em;*/
	width: 25%;
	height: 15%;
	border-radius: 8px;
}

td:active {
	border: 3px solid black;
	font-size: 1.9em;
}

.orangeButtonBG {
	background-color: #eb9234;
}

.greyButtonBG {
	background-color: #78736e;
}

.darkGreyButtonBG {
	background-color: #5c5854;
}

#bodyCalc {
	width: 300px;
	height: 400px;
}

#display {
	height: 20%;
	text-align: right;
	padding-right: 10px;
	overflow: hidden;
}