<ul class="oe_dropdown_menu">
<li><a type="delete">Delete</a></li>
<li><ul class="oe_kanban_colorpicker" data-field="color"/></li>
<ul class="oe_dropdown_menu">
<li><a type="delete">Delete</a></li>
<li><ul class="oe_kanban_colorpicker" data-field="color"/></li>