<div class="custom-referencesLinkContainer" class="custom-morelink floatbox" data-fb-options="group:uid2">
<a href="#uniqueid-2-0">See</a>
<a href="#uniqueid-2-1"></a>
<a href="#uniqueid-2-2"></a>
<a href="#uniqueid-2-3"></a>
</div>
<div class="custom-referencesSourceContainer">
<div id="uniqueid-2-0">
Ref. 1
</div>
<div id="uniqueid-2-1">
<img src="styles/images/example1.jpg" />
Ref. 2
</div>
<div id="uniqueid-2-2">
Ref. 3
</div>
<div id="uniqueid-2-3">
<img src="styles/images/example2.jpg" />
Ref. 4
</div>
</div>
doesn't work.
Putting the class and group option to each "a" works though!