JSFiddle - React, Tailwind, and code Playground

by Ivin Raj S

HTML

<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.5/css/bootstrap.min.css">
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.5/css/bootstrap-theme.min.css">
<script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.5/js/bootstrap.min.js"></script>
<div class="container">
<div class="row">
<div class="col-lg-12">
    <div class="panel panel-primary">
        <div class="panel-heading"><h2>Element Selection</h2></div>
        <div class="panel-body">
            <div class="row flex-row">
                <div class="col-lg-5">
                    <div class="form-group">
                        <h3><span class="label label-info">Element Segment</span></h3>
                        <textarea class="form-control" rows="8"></textarea>
                    </div>
                </div>
                <div class="col-lg-2 text-center" >

                    <div class="btn-group-vertical">
                        <button type="button" class="btn btn-primary">>></button>
                        <button type="button" class="btn btn-primary"><<</button>
                        <button type="button" class="btn btn-primary">ALL>></button>
                        <button type="button" class="btn btn-primary"><< ALL</button>
                    </div>

                </div>
                <div class="col-lg-5">
                    <div class="form-group">
                        <h3><span class="label label-success">Element Segment</span></h3>
                        <textarea class="form-control" rows="8"></textarea>
                    </div>
                </div>
            </div>
        </div>
    </div>
</div>

CSS

.flex-row {
    display: flex;
    align-items: center;
  }