#container {
	width: 400px;
	height: 400px;
	display: flex;
	flex-wrap: wrap;
	justify-content: center;
	margin: 0 auto;
	background: lightblue;
}
#display {
	width: 300px;
	height: 20px;
	background: white;
	margin-top: 20px;
	margin-bottom: -40px;
	text-align: right;
}
#displayResult {
	width: 300px;
	height: 50px;
	background: white;
	text-align: right;
	font-size: 40px;
}
#buttons {
	display: flex;
	flex-wrap: wrap;
	justify-content: center;
}
button {
	width: 80px;
	height: 60px;
	border-radius: 7%;
}
#equal {
	width: 80px;
	height: 129px;
	margin-top: -69px;
	border-radius: 7%;
}
.zero{
	width: 160px;
	height: 60px;
	border-radius: 7%;
}