Continue ordered list item numbering with CSS counter

list.css

	ol.start {
		counter-reset: mainSection;
	}

	ol.split {
		list-style-type: none;
	}

	ol.split li:before {
		counter-increment: mainSection;
		content: counter(mainSection) ".\00A0\00A0";
	}

	ol.split li {
		text-indent: -1.3em;
	}

	ol.split li ol {
		counter-reset: subSection;
	}

	ol.split li ol li {
		list-style-type: none;
	}

	ol.split li ol li:before {
		counter-increment: subSection;
		/*content: counter(mainSection) "." counter(subSection, lower-alpha) ".\00A0\00A0";*/
		content: counter(subSection, lower-alpha) ".\00A0\00A0";

	}

	ol.split li ol li{
		text-indent: -2.1em;
	}

list.html

<ol class="split start">
	<li>
		<strong>CALL TO ORDER.</strong>
	</li>
	<li>
		<strong>ROLL CALL.</strong>
	</li>
	<li>
		<strong>AGENDA CHANGES.</strong>
	</li>
	<li>
		<strong>GENERAL PUBLIC COMMENT</strong>. Public comments will be heard at 9:00 am for items not on 
		the agenda, for no more than 30 minutes. For those unable to attend the early comment period, 
		there will be additional comment time available later in the day.
	</li>
</ol>

<h3>STATEWIDE</h3>

<ol class="split">
	<li>
		<strong>EXECUTIVE DIRECTOR'S REPORT.</strong>
		<ol>
			<li>
				<a href="http://documents.coastal.ca.gov/reports/2014/3/W5a-3-2014.pdf" target="_blank"><strong>Director&#8217;s Report</strong></a>
			</li>
			<li>
				<a href="http://documents.coastal.ca.gov/reports/2014/3/W5b-3-2014.pdf" target="_blank"><strong>Legislation</strong></a>. Commission discussion and possible action on pending legislation. (CL/SC-SF)
			</li>
		</ol>
	</li>
</ol>

<h3>ENFORCEMENT</h3>

<ol class="split">
	<li>
		<strong>ENFORCEMENT REPORT</strong>. Report by Chief of Enforcement on Statewide Enforcement Program. (LAH-SF)
	</li>
</ol>

not working.