I have a selectbox:
<select>
<option value="opt1">Optie nummer 1</option>
<option value="opt2">Optie nummer 2</option>
<option value="opt3">Optie nummer 3</option>
</select>
With a plugin I style the select boxes and then the HTML become:
<div class="sb-custom">
<select tabindex="-1">
<option value="opt1">Optie nummer 1</option>
<option value="opt2">Optie nummer 2</option>
<option value="opt3">Optie nummer 3</option>
</select>
<input type="text" class="sb-select" readonly="readonly">
<ul class="sb-dropdown">
<li class="selected"><a href=".">Optie nummer 1</a></li>
<li><a href=".">Optie nummer 2</a></li>
<li><a href=".">Optie nummer 3</a></li>
</ul>
</div>
Now I want when I add the class small add the selectbox that the div "sb-costum" get a the class small extra. So you get <div class="sb-custom small">
I have found my answer: