Seeking help to locate the CSS code responsible for the blue border on a select dropdown button in Bootstrap. It seems simple, but I'm unable to find it.
If anyone knows where this specific class is located in the CSS file, please share your insights!
<form action="#" method="post" id="demoForm" class="demoForm">
<!--<fieldset>-->
<select class="selectpicker" name="category">
<option value="AFR">Afrika</option>
<option value="CA">Amerika (Mitte) & Karibik</option>
<option value="NA">Amerika (Norden)</option>
</select><br/>
<select class="selectpicker" name="choices" id="choices">
<option value="ae">Äthiopien</option>
<option value="bo-mo-si">Botswana, Mosambik & Simbabwe</option>
<option value="ma-ma-sey">Madagaskar, Mauritius & Seychellen</option>
<option value="nam">Namibia</option>
<option value="na">Nordafrika (Küste)</option>
<option value="na-l">Nordafrika (Landesinneres) & Sahara</option>
<option value="ka">Kamerun</option>
<option value="ke">Kenia & Tansania</option>
<option value="ma">Mali</option>
<option value="ru-ug">Ruanda & Uganda</option>
<option value="sa">Südafrika</option>
<option value="wa">Westafrika</option>
</select>
<!-- </fieldset>-->
</form>