<link href="//maxcdn.bootstrapcdn.com/bootstrap/4.1.1/css/bootstrap.min.css" rel="stylesheet" id="bootstrap-css">
<script src="//maxcdn.bootstrapcdn.com/bootstrap/4.1.1/js/bootstrap.min.js"></script>
<script src="//code.jquery.com/jquery-1.11.1.min.js"></script>
<!------ Include the above in your HEAD tag ---------->
<div class="error-content">
<div class="container">
<div class="row">
<div class="col-md-12 ">
<div class="error-text">
<h1 class="error">404 Error</h1>
<div class="im-sheep">
<div class="top">
<div class="body"></div>
<div class="head">
<div class="im-eye one"></div>
<div class="im-eye two"></div>
<div class="im-ear one"></div>
<div class="im-ear two"></div>
</div>
</div>
<div class="im-legs">
<div class="im-leg"></div>
<div class="im-leg"></div>
<div class="im-leg"></div>
<div class="im-leg"></div>
</div>
</div>
<h4>Oops! This page Could Not Be Found!</h4>
<p>Sorry bit the page you are looking for does not exist, have been removed or name changed.</p>
<a href="<?=base_url()?>" class="btn btn-primary btn-round">Go to homepage</a>
</div>
</div>
</div>
</div>
</div>