pan class="type-var">'a</span> = [&gt; Css_Property.border_left ]</code></dt></dl><div class="spec module" id="module-Value"><a href="#module-Value" class="anchor"></a><code><span class="keyword">module </span><a href="Value">Value</a> : <span class="keyword">sig</span> ... <span class="keyword">end</span></code></div><dl><dt class="spec value" id="val-make"><a href="#val-make" class="anchor"></a><code><span class="keyword">val </span>make : ?&#8288;width:<a href="../../Css_Value/Border/Width#type-t">Css_Va