/* CSS Document */

body {
	border: 0;
	padding: 0;
	margin: 0;
	font-size: 1em;
}
.hidethis {
	display: none;
}
/* Main Page Container */
#pageouter {
	width: 620px;
	margin: 0 auto;
	padding: 0;
	border: 0;
	background: transparent url(../images/background_container.gif) repeat-y top center;
}
#pageinner {
	width: 600px;
	margin: 0 auto;
	padding: 0;
	border: 0;
	background-color: #fff;
	color: #003;
}
/* Heading area */
#header {
	height: 50px;
	padding: 0;
	border-width: 0 0 1px 0;
	border-color: #000;
	border-style: solid;
	margin: 0;
	background: transparent url(../images/mathslogo_hover.gif) no-repeat top center;
}
#headerlink {
	background: transparent url(../images/mathslogo.gif) no-repeat top center;
	width: 600px;
	height: 50px;
	padding: 0;
	margin: 0;
	border: 0;
	display: block;
}
a#headerlink:hover {
	background: transparent url(../images/mathslogo_hover.gif) no-repeat top center;
}
/* Checkboard Nav Area */
#navigation {
	height: 200px;
	width: 600px;
	padding: 0;
	border: 0;
	margin: 0;
	background-color: #e5e5e5;
	color: inherit;
}
#nav_boxa, #nav_boxb, #nav_boxc, #nav_boxd {
	height: 100px;
	width: 200px;
	padding: 0;
	border: 0;
}
#nav_boxa {
	/* top left box for fractions */
	color: #fff;
	margin: 0 0 0 100px;
	float: left;
	background: #c60 url(../images/fractions_over.gif) no-repeat left;
}
#nav_logoa {
	background: #c60 url(../images/fractions_base.gif) no-repeat;
	color: inherit;
	width: 200px;
	height: 100px;
	padding: 0;
	margin: 0;
	border: 0;
	display: block;
}
a#nav_logoa:hover {
	background: #c60 url(../images/fractions_over.gif) no-repeat;
	color: inherit;
}
#nav_boxb {
	background: #0c6 url(../images/units_over.gif) no-repeat;
	color: #fff;
	margin: 0 0 0 300px;
}
#nav_logob {
	background: #0c6 url(../images/units_base.gif) no-repeat;
	color: inherit;
	width: 200px;
	height: 100px;
	padding: 0;
	margin: 0;
	border: 0;
	display: block;
}
a#nav_logob:hover {
	background: #c60 url(../images/units_over.gif) no-repeat;
	color: inherit;
}
#nav_boxc {
	background: #60c url(../images/scinote_over.gif) no-repeat;
	color: #fff;
	float: left;
	margin: 0 0 0 100px;
}
#nav_logoc {
	background: #60c url(../images/scinote_base.gif) no-repeat;
	color: inherit;
	width: 200px;
	height: 100px;
	padding: 0;
	margin: 0;
	border: 0;
	display: block;
}
a#nav_logoc:hover {
	background: #60c url(../images/scinote_over.gif) no-repeat;
	color: inherit;
}
#nav_boxd {
	background: #000 url(../images/areavol_over.gif) no-repeat;
	color: #fff;
	margin: 0 0 0 300px;
}
#nav_logod {
	background: #000 url(../images/areavol_base.gif) no-repeat;
	color: inherit;
	width: 200px;
	height: 100px;
	padding: 0;
	margin: 0;
	border: 0;
	display: block;
}
a#nav_logod:hover {
	background: #000 url(../images/areavol_over.gif) no-repeat;
	color: inherit;
}
/* Content area */
#content {
	padding: 0;
	margin: 0;
	border: 0;
	background-color: #e5e5e5;
	color: #000;
}
#content h1, #content h2, #content h3, #content h4, #content h5, #content h6 {
	font-family: Verdana, Arial, Helvetica, sans-serif;
	color: #1a1a1a;
	background-color: inherit;
	letter-spacing: 7px;
	word-spacing: 0.5em;
	padding: 0 0 20px 10px;
	margin: 0;
	border: 0;
}
#content p {
	font-family: Geneva, Arial, Helvetica, sans-serif;
	font-weight: normal;
	font-size: 80%;
	padding: 0 40px 2em 30px;
	border: 0;
	margin: 0;
	/* text-indent: 1em; */
}
#content p:first-line {
	font-weight: bold;
	font-family: Verdana, Arial, Helvetica, sans-serif;
}
.nopad {
	padding: 0;
}
#content abbr, #content acronym, #content cite {
	border-bottom: 1px dotted #999;
}
#content ul {
	padding-top: 0;
	margin-top: 0;
	border: 0;
}
#content ul li {
	padding-top: 0;
	padding-bottom: 0;
	border: 0;
	margin-top: 0;
	font-family: Arial, Helvetica, sans-serif;
	font-size: 80%;
}
/* Footer area */
#footer {
	background-color: #09C;
	color: #fff;
	border-width: 5px 0 5px 0;
	border-style: solid;
	border-color: #000;
	margin: 0;
	padding: 0;
	clear: both;
}