<ol>
<strong><li>The board develops ....</li></strong>
<ol type="a">
<strong><li>How often and by what procedure .... ?</li></strong><span class="pending-response">Awaiting response</span>
</ol>
<strong><li>The board develops ...</li></strong>
<ol type="a">
<strong><li>A notebook containing a copy of all ...</li></strong><span class="pending-response">Awaiting response</span>
</ol>
<strong><li>The board is responsible ...</li></strong>
<ol type="a">
<strong><li>Describe the procedures by which ...?</li></strong><span class="pending-response">Awaiting response</span>
<strong><li>Describe the process for ...</li></strong><span class="pending-response">Awaiting response</span>
<strong><li>Submit the investment and ...</li></strong><span class="pending-response">Awaiting response</span>
<strong><li>...</li></strong><span class="pending-response">Awaiting response</span>
</ol>
<strong><li>The board employs...</li></strong>
<ol type="a">
<strong><li>Is the head ...?</li></strong><span class="pending-response">Awaiting response</span>
<strong><li>Describe the annual ...</li></strong><span class="pending-response">Awaiting response</span>
<strong><li>Supply a copy ...</li></strong><span class="pending-response">Awaiting response</span>
</ol>
<strong><li>The board ...</li></strong>
<ol type="a">
<strong><li>How does the board ...?</li></strong><span class="pending-response">Awaiting response</span>
<strong><li>Describe the working ...</li></strong><span class="pending-response">Awaiting response</span>
</ol>
</ol>
请使用Firefox浏览器检查jsfiddle上的代码。这在Chrome和Safari浏览器上工作得很完美，但是在Firefox和IE上却出了问题。
任何帮助来解决这个问题将是非常感激的。
谢谢你的帮助
我也遇到了同样的问题，但在做一些研究时，我看了这个 MDN的例子嵌套列表，如何正确地做嵌套列表？
你需要有嵌套的 ol li标签内的列表。
为了使它在所有浏览器中正常工作，你的下一个列表应该是这样的。
changes:
strong 标签现在在 li 标签ol 现在是在母体内 li 包皮<ol>
<li><strong>The board develops ....</strong>
<ol type="a">
<li><strong>How often and by what procedure .... ?</strong></li><span class="pending-response">Awaiting
response</span>
</ol>
</li>
<li><strong>The board develops ...</strong>
<ol type="a">
<li><strong>A notebook containing a copy of all ...</strong></li><span class="pending-response">Awaiting
response</span>
</ol>
</li>
<li>
<strong>The board is responsible ...</strong>
<ol type="a">
<li><strong>Describe the procedures by which ...?</strong></li><span class="pending-response">Awaiting
response</span>
<li><strong>Describe the process for ...</strong></li><span class="pending-response">Awaiting
response</span>
<li><strong>Submit the investment and ...</strong></li><span class="pending-response">Awaiting
response</span>
<li><strong>...</strong></li><span class="pending-response">Awaiting response</span>
</ol>
</li>
<li><strong>The board employs...</strong>
<ol type="a">
<li><strong>Is the head ...?</strong></li><span class="pending-response">Awaiting response</span>
<li><strong>Describe the annual ...</strong></li><span class="pending-response">Awaiting response</span>
<li><strong>Supply a copy ...</strong></li><span class="pending-response">Awaiting response</span>
</ol>
</li>
<li><strong>The board ...</strong>
<ol type="a">
<li><strong>How does the board ...?</strong></li><span class="pending-response">Awaiting response</span>
<li><strong>Describe the working ...</strong></li><span class="pending-response">Awaiting response</span>
</ol>
</li>
</ol>