select2

$("#tags").select2({
    maximumSelectionLength: 3
});

.select2-selection__rendered {
    line-height: 31px !important;
}
.select2-container .select2-selection--single {
    height: 35px !important;
}
.select2-selection__arrow {
    height: 34px !important;
}

$('.js-example-basic-single').select2({
  placeholder: 'Select an option'
});

// In your Javascript (external .js resource or <script> tag)
$(document).ready(function() {
    $('.js-example-basic-single').select2();
});