.superscript {
	vertical-align: top;
	font-size: 80%;
}
.subscript {
	vertical-align: bottom;
	font-size: 80%;
}
.small, small {
	font-size: 90%;
}
.right {
	text-align: right;
}

.centre {
	text-align: center;
}

/* Debug code */
s, ins {	
	text-decoration: none;
	background-color: #fcf;
	border: solid 1px #969;
	padding: 0.2em 0.3em;
}

/* A rather arbitary class to make footnotes appear in a very particular way */
.footnote {
	padding: 1em 0 0 1em;
	font-size: 90%;
	text-indent: -0.5em;
}