body, html
{
	width: 100%;
	height: 100%;
	margin: 0;
	padding: 0;
	overflow: hidden;
	font-size: 16px;
	font-family: helvetica, arial;
	background: #f9f9f9;
	color: #111;
}

.wrapper
{
	width: 100%;
	height: 100%;
	display: table;
}

.main
{
	display: table-cell;
	vertical-align: middle;
	text-align: center;
}

.quiz-frame
{
	border: 0;
	box-shadow: 0 0 10px rgba(0,0,0,0.5);
}

.quiz__head
{
	font-size: 20pt;
	margin: 10px;
	margin-bottom: 50px;
}

.head__content 
{
	padding: 5px;
}

.quiz__body
{
	margin: 10px;
}

.quiz__footer 
{
	position: absolute;
	bottom: 0;
	display: block;
	width: 100%;
}

.footer__content 
{
	padding: 5px;
}

.button
{
	border: 0;
	border-radius: 10px;
	background: #6477EB;
	color: #fff;
	padding: 10px 25px;
	width: 70%;
	font-size: 15pt;
	display: block;
	margin: 2px auto;
	cursor: pointer;
}

.button_wrong 
{
	background: #EB6465;
}

.button_correct
{
	background: #5EB97D;
}

.button_passive
{
	background: #B3B3B3;
}