JSFiddle - React, Tailwind, and code Playground

HTML

<script src="https://cdnjs.cloudflare.com/ajax/libs/d3/3.5.5/d3.min.js" charset="utf-8"></script>

var options = [
  {label: 'Option 1', title: 'Option 1', value: '1'},
  {label: 'Option 2', title: 'Option 2', value: '2'},
  {label: 'Option 3', title: 'Option 3', value: '3'},
  {label: 'Option 4', title: 'Option 4', value: '4'},
  {label: 'Option 5', title: 'Option 5', value: '5'},
  {label: 'Option 6', title: 'Option 6', value: '6'}
];

$('#example-dataprovider').multiselect('dataprovider', options);
var selectconfig = {
    enableFiltering: true,
    includeSelectAllOption: true
};
$('#example-dataprovider').multiselect('setOptions', selectconfig);
$('#example-dataprovider').multiselect('rebuild');

CSS

.multiselect-container{position:absolute;list-style-type:none;margin:0;padding:0}.multiselect-container .input-group{margin:5px}.multiselect-container>li{padding:0}.multiselect-container>li>a.multiselect-all label{font-weight:700}.multiselect-container>li.multiselect-group label{margin:0;padding:3px 20px 3px 20px;height:100%;font-weight:700}.multiselect-container>li.multiselect-group-clickable label{cursor:pointer}.multiselect-container>li>a{padding:0}.multiselect-container>li>a>label{margin:0;height:100%;cursor:pointer;font-weight:400;padding:3px 20px 3px 40px}.multiselect-container>li>a>label.radio,.multiselect-container>li>a>label.checkbox{margin:0}.multiselect-container>li>a>label>input[type=checkbox]{margin-bottom:5px}.btn-group>.btn-group:nth-child(2)>.multiselect.btn{border-top-left-radius:4px;border-bottom-left-radius:4px}.form-inline .multiselect-container label.checkbox,.form-inline .multiselect-container label.radio{padding:3px 20px 3px 40px}.form-inline .multiselect-container li a label.checkbox input[type=checkbox],.form-inline .multiselect-container li a label.radio input[type=radio]{margin-left:-20px;margin-right:0}

JavaScript

/* 
 * The bulk of this code is the bootstrap-multiselect.js extension.
 * My code starts at line 1385
 */

/**
 * Bootstrap Multiselect (https://github.com/davidstutz/bootstrap-multiselect)
 * 
 * Apache License, Version 2.0:
 * Copyright (c) 2012 - 2015 David Stutz
 * 
 * Licensed under the Apache License, Version 2.0 (the "License"); you may not
 * use this file except in compliance with the License. You may obtain a
 * copy of the License at http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
 * License for the specific language governing permissions and limitations
 * under the License.
 * 
 * BSD 3-Clause License:
 * Copyright (c) 2012 - 2015 David Stutz
 * All rights reserved.
 * 
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *    - Redistributions of source code must retain the above copyright notice,
 *      this list of conditions and the following disclaimer.
 *    - Redistributions in binary form must reproduce the above copyright notice,
 *      this list of conditions and the following disclaimer in the documentation
 *      and/or other materials provided with the distribution.
 *    - Neither the name of David Stutz nor the names of its contributors may be
 *      used to endorse or promote products derived from this software without
 *      specific prior written permission.
 * 
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,...