#calculator
{
	
}

#calculator .display
{
	margin: 0 auto 0 auto;
	padding-right: 5px;
	width: 355px;
	background: #cceeff;
	font-size: 36px;
	text-align: right;
}

#calculator .flex_wrapper
{
	margin: 0 auto 0 auto;
	justify-content: unset;
	width: 360px;
}

#calculator button
{
	flex-basis: 25%;
	height: 40px;
	color: #ffffff;
	font-size: 16px;
	font-weight: bold;
}

#calculator button.clear,
#calculator button.equals
{
	background: #555555;
}

#calculator button.operator
{
	background: #f2a23b;
}

#calculator button.digit,
#calculator button.decimal
{
	background: #808080;
}

#calculator button.zero
{
	flex-basis: 50%;
}

#calculator button.equals
{
	flex-basis: 100%;
}