a img {
	border-width: 0
}

h1, h2, h3 {
	font-family: sans-serif;
}

iframe {
        margin: 0px;
        border-width: 0px;
        padding: 0px;
}
				
hr { 
	clear: both;
}

.problem {
	border-width: 1px;
	border-style: solid;
	border-color: #f88;
	padding: 0em 1em;
        margin: .5em 0em;
}

.solution {
        padding: 0em 1em;
        margin: .5em 0em;
}

tt {
	padding: 2px;
	background-color: #ddd;
}

p {
}

pre {
	margin: .5em 2em;
	padding: .25em;
	background-color: #ddd;
        max-width: 80ex;
}

html {
}

body {
	margin: 0.25em;
	padding: 1em;
	background-color: white;
}