<link href="//maxcdn.bootstrapcdn.com/bootstrap/3.3.0/css/bootstrap.min.css" rel="stylesheet" id="bootstrap-css"> <script src="//maxcdn.bootstrapcdn.com/bootstrap/3.3.0/js/bootstrap.min.js"></script> <script src="//cdnjs.cloudflare.com/ajax/libs/jquery/3.2.1/jquery.min.js"></script> <!------ Include the above in your HEAD tag ----------> <div class="container"> <div class="row"> <form class="form-horizontal"> <fieldset> <!-- Form Name --> <legend>Form Name</legend> <!-- Prepended checkbox --> <div class="form-group"> <label class="col-md-4 control-label" for="prependedcheckbox">Prepended Checkbox</label> <div class="col-md-5"> <div class="input-group"> <span class="input-group-addon"> <input type="checkbox" checked=""> </span> <input id="prependedcheckbox" name="prependedcheckbox" class="form-control" type="text" placeholder="placeholder"> </div> <p class="help-block">help</p> </div> </div> </fieldset> </form> </div> </div>