phenix-factory/font-size-edit.php

## font-size-edit.php
<?php
// Modifier proportionellement les font-size du css
$filename = "path/to/style.css";
$css = file_get_contents($filename);
$css = preg_replace('/font-size\s*\:\s*([0-9]+)\s*px/ie', '"font-size: " . round($1+($1*0.20)) . "px"', $css); // +20%
file_put_contents($filename, $css);
	<?php
	// Modifier proportionellement les font-size du css
	$filename = "path/to/style.css";
	$css = file_get_contents($filename);
	$css = preg_replace('/font-size\s\:\s([0-9]+)\spx/ie', '"font-size: " . round($1+($10.20)) . "px"', $css); // +20%
	file_put_contents($filename, $css);