ol li {
	margin-bottom: 0.2em;
}

ol.extra_space li {
	margin-bottom: 1em;
}

ol li a {
	color: black;
	text-decoration: none;
	border: 1px solid transparent;
	display: table;
}

ol li a:hover {
	border: 1px solid blue;
}

ol li a img {
	vertical-align: middle;
	border-style: none;
}

.answer_number a {
	color: blue;
	text-decoration: none;
	border: 1px solid transparent;
}

.answer_number a:hover {
	border: 1px solid blue;
}