JSFiddle - React, Tailwind, and code Playground

HTML

<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.4/css/bootstrap.min.css">
<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.11.2/jquery.min.js"></script>
<script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.4/js/bootstrap.min.js"></script>
<!-- Button trigger modal -->
<button type="button" class="btn btn-primary btn-lg" data-toggle="modal" data-target="#myModal">
  Launch demo modal
</button>

<!-- Modal -->
<div class="modal fade" id="myModal" tabindex="-1" role="dialog" aria-labelledby="myModalLabel" aria-hidden="true">
  <div class="modal-dialog">
    <div class="modal-content">
      <div class="modal-header">
        <button type="button" class="close" data-dismiss="modal" aria-label="Close"><span aria-hidden="true">&times;</span></button>
        <h4 class="modal-title" id="myModalLabel">Modal title</h4>
      </div>
      <div class="modal-body">
        <form role="form" class="form-horizontal">
            <div class="form-group">
            <label class="col-sm-5 control-label">Values:</label>
            <div class="col-sm-7 whitespace-eliminator">
                <label class="checkbox-inline">
                    <input type="checkbox" value="A" /> A
                </label>
                <label class="checkbox-inline">
                    <input type="checkbox" value="B" /> B
                </label>
                <label class="checkbox-inline">
                    <input type="checkbox" value="C" /> C
                </label>
                <label class="checkbox-inline">
                    <input type="checkbox" value="D" /> D
                </label>
                <label class="checkbox-inline">
                    <input type="checkbox" value="E" /> E
                </label>
                <label class="checkbox-inline">
                    <input type="checkbox" value="F" /> F
                </label>
                <label class="checkbox-inline">
                    <input type="checkbox"...

CSS

.whitespace-eliminator {
    font-size: 0;
}
.whitespace-eliminator label {
    font-size: 14px;
}