Bootstrap 3 centered inputs

by Julian

HTML

<script src="//netdna.bootstrapcdn.com/bootstrap/3.0.0/js/bootstrap.min.js"></script>
<link rel="stylesheet" href="//netdna.bootstrapcdn.com/bootstrap/3.0.0/css/bootstrap.min.css">
<div class="container">
<div class="row">
		
  <div class="col-md-4 col-sm-4 col-xs-8 col-xs-offset-2 col-md-offset-2 col-sm-offset-2  col_1" >
  	<form>
<label for="start"></label>
<input type="text" id="start" class="date-input-css" name="start" placeholder="From">
  </div>
 <div class="col-md-4 col-sm-4 col-xs-8 col_2" >
<label for="end"></label>
<input type="text" id="end" name="end" class="date-input-css" placeholder="To">
    </div>
  </div>

<div class="row">
 <div class="col-md-8 col-sm-8 col-xs-10 col-md-offset-2 col-xs-offset-2 col-sm-offset-2 button" >

 <button type="submit" id="submitMe" class="btn btn-green btn-small pull-right">UPDATE</button>
 <input type="hidden" name="username" value="<?php echo $username; ?>">

CSS

/* Latest compiled and minified CSS included as External Resource*/

/* Optional theme */
@import url('//netdna.bootstrapcdn.com/bootstrap/3.0.0/css/bootstrap-theme.min.css');
div.center_me {
 border:1px solid red;
 }

JavaScript

/* Latest compiled and minified JavaScript included as External Resource */