select only icon inside content css code example
Example: how to put icons in select
<select title="Select your spell" class="selectpicker">
<option>Select...</option>
<option data-icon="glyphicon glyphicon-eye-open" data-subtext="petrification">Eye of Medusa</option>
<option data-icon="glyphicon glyphicon-fire" data-subtext="area damage">Rain of Fire</option>
</select>