>Strong</a> : <span class="keyword">sig</span> ... <span class="keyword">end</span></code></div><div class="spec module" id="module-Style"><a href="#module-Style" class="anchor"></a><code><span class="keyword">module </span><a href="Style">Style</a> : <span class="keyword">sig</span> ... <span class="keyword">end</span></code></div><div class="spec module" id="module-Sub"><a href="#module-Sub" class="anchor"></a><code><span class="keyword">module </span><a href="Sub">Sub</a> : <span class="keyword">sig</spa