styles.css

label {
	font-size: 30px;
	padding: 20px;
	text-align: center;
	vertical-align: middle;
}

button{
	font-size: 15px;
	height: 40px;
	margin-left: 10px;
	border-radius: 5px;
	padding: 10px;
	background-color: ##ff6666;
	color: #000;
	vertical-align: middle;
}

input{
	font-size: 15px;
	height: 20px;

}

.container{
	white-space: nowrap;
	overflow: scroll;
	padding: 20px;
}

.container > div{
	margin: 5px;
	height: 70px;
	width: 70px;
	text-align: center;
	vertical-align: middle;
	border-radius: 5px;
	font-size: 50px;
	display: inline-block;
}

.number{
	background-color: #EEEEEE;
	text-decoration-color: #000;
}

.operatorAS{
	background-color: #6D9EEB;
	color: #FFF;
}

.operatorMD{
	background-color: #93C47D;
	color: #FFF;
}

.equals{
	background-color: #FFD996;
	color: #FFF;
}