page.html

<!-- Load Bootstrap from a CDN -->
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.6/css/bootstrap.min.css" integrity="sha384-1q8mTJOASx8j1Au+a5WDVnPi2lkFfwwEAa8hDDdjZlpLegxhjVME1fgjWPGmkzs7" crossorigin="anonymous">

<!-- Put inside a bootstrap div -->
<div class="col-xs-10 col-xs-offset-1">
	<h1>Hello</h1>

	<img src="http://imgur.com/Q5GpJMB.png" class="face big img-center center-block img-responsive"/>
</div>


<style>

.face {
  margin-top:100px;
}
.big {
  transform: scale(2.5, 2.5);
}
</style>