* {
	margin: auto;
	padding: 0;
	font-size: 35px;
	font-family: 'Orbitron' , sans-serif ;
}
.calc {
	width: 324px;
	background-color: #39383d;
	padding: 20px;
	border-radius: 8px;
}
.calc-display {
	width: 100%;
	height: 75px;
	border:none;
	background-color: #a2af77;
	margin-bottom: 10px;
	border-radius:8px;
}
input[type=button] {
	width: 75px;
	height: 75px;
	margin: 2px;
	color: #fff;
	border:none;
	border-radius: 8px;
	background-color: #58595b
}