<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>
<div class="col-md-4 col-md-offset-2">
<br/><br/>
<div class="input-group">
<input type="text" class="form-control file-upload-text" disabled placeholder="select a file..." />
<span class="input-group-btn">
<button type="button" class="btn btn-default file-upload-btn">
Browse...
<input type="file" class="file-upload" name="myFile" />
</button>
</span>
</div>
<br/><br/>
<p>Use your favorite bootstrap button style:</p><br/>
<div class="input-group">
<input type="text" class="form-control file-upload-text" disabled placeholder="select a file..." />
<span class="input-group-btn">
<button type="button" class="btn btn-success file-upload-btn">
Browse...
<input type="file" class="file-upload" name="myFile" />
</button>
</span>
</div>
<br/><br/>
<div class="input-group">
<input type="text" class="form-control file-upload-text" disabled placeholder="select a file..." />