Responsive Hack

gistfile1.php

<?php
if ($this->addImage):
	$widthMid = round($this->arrSize[0] * .8);
	$heightMid = round($this->arrSize[1] * .8);

	$css = <<<EOF
	@media screen and (max-width: 1290px) {
		#img{$this->id} {
			width: {$widthMid}px;
			height: {$heightMid}px;
		}
	}
EOF;

	$GLOBALS['TL_HEAD'][] = <<<EOF
<style>
$css
</style>
EOF;
endif;