body {
	font-family: arial, helvetica;
	font-size: 2em;
	color: navy;
	padding: 2em;
}

#content {
	margin-right: auto;
	margin-left: auto;
	width: 10em;
	border: 1px lightgrey solid;
	padding: 1em;
	text-align: center;
}

#question {
	padding-bottom: 1em;
}

#answer {
	font-size: 1em;
	width: 2em;
	border: 1px grey solid;
}

#results {
	font-size: 0.5em;
	padding-top: 1em;
}

#correct {
	color: green;
}

#incorrect {
	color: red;
}