li {
	margin-top: 1ex;
}

p.Angel {
	margin-left: 5ex;
	margin-right: 5ex;
	font-style: italic;
}

div.subproblem {
	margin-top: 1ex;
	margin-bottom: 1ex;
	padding-left: 5ex;
	padding-right: 5ex;
	padding-top: 2ex;
	padding-bottom: 2ex;
	border-top: 1px black solid;
	border-bottom: 1px black solid;
}