JSFiddle - React, Tailwind, and code Playground

HTML

<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.1/css/bootstrap.min.css">
<script src="https://code.jquery.com/jquery-1.10.2.min.js"></script>
<script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.1/js/bootstrap.min.js"></script>
<div class="container">
    <div class="row">
        <div class="col-xs-2 col-xs-offset-5 mt">      
            <!-- Button modal transparent -->
            <button type="button" class="btn btn-primary btn-lg" data-toggle="modal" data-target="#modal-transparent">
                Modal Transparan
            </button>

            <!-- Modal transparent -->
            <div class="modal modal-transparent fade" id="modal-transparent" 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"><span aria-hidden="true">&times;</span><span class="sr-only">Close</span></button>
                            <h4 class="modal-title" id="myModalLabel">Modal title</h4>
                        </div>
                        <div class="modal-body">
                            Content
                        </div>
                        <div class="modal-footer">
                            <button type="button" class="btn btn-default" data-dismiss="modal">Close</button>
                        </div>
                    </div>
                </div>
            </div>
        </div>
    </div> 
</div>

CSS

body {
  background: #333;
}

/* .modal-transparent */
.mt  {
    margin-top: 100px;
}

.modal-transparent {
  background: transparent;
}

.modal-transparent .modal-content {
  background: transparent;
}

.modal-backdrop.modal-backdrop-transparent {
  background: #ffffff;
}

.modal-backdrop.modal-backdrop-transparent.in {
  opacity: .9;
  filter: alpha(opacity=90);
}

JavaScript

// .modal-backdrop classes

$(".modal-transparent").on('show.bs.modal', function () {
    setTimeout( function() {
        $(".modal-backdrop").addClass("modal-backdrop-transparent");
    }, 0);
});
$(".modal-transparent").on('hidden.bs.modal', function () {
    $(".modal-backdrop").addClass("modal-backdrop-transparent");
});

$(".modal-fullscreen").on('show.bs.modal', function () {
    setTimeout( function() {
        $(".modal-backdrop").addClass("modal-backdrop-fullscreen");
    }, 0);
});
$(".modal-fullscreen").on('hidden.bs.modal', function () {
    $(".modal-backdrop").addClass("modal-backdrop-fullscreen");
});