HTML
<div class="select-wrapper mdb-select md-form md-selected colorful-select dropdown-primary"><div class="select-wrapper mdb-select md-form md-selected colorful-select dropdown-primary"><span class="caret">▼</span><input type="text" class="select-dropdown form-control" readonly="true" required="false" data-activates="select-options-ort" value="" role="combobox" aria-multiselectable="false" aria-disabled="false" aria-required="true" aria-haspopup="true" aria-expanded="false"><ul id="select-options-ort" class="dropdown-content select-dropdown w-100" style="display: none; max-height: 207.391px; width: 941px; position: absolute; top: 0px; left: 0px; opacity: 1;"><span class="search-wrap ml-2" role="searchbox"><div class="md-form mt-0"><input type="text" class="search w-100 d-block " tabindex="-1" placeholder="Suche"></div></span><li class="" role="option" aria-selected="false" aria-disabled="false"><span class="filtrable "> </span></li><li class="" role="option" aria-selected="false" aria-disabled="false">
CSS
JS