Is there a simple way to reduce the size of all images within the <div id='blah'>
by half, 30%, or another percentage without needing to loop through each image with JavaScript?
<div id='blah'>
<img src="http://www.locanto.info/petites_annonces/images/dog.png"></img>
<img src="http://www.alsacroc.fr/contents/img/chiot.jpg"></img>
<img src="http://static.wamiz.fr/images/animaux/chiens/large/chien-du-groenland.jpg"></img>
</div>