CSS Hackz Series: PNG Fix for Internet Explorer

In this CSS Hackz Series article, I outline several solutions for displaying alpha-transparent PNG (a.k.a. PNG-24 format) images in everybody’s favorite broken browser, Internet Explorer. Specifically, IE versions through 6 (excluding IE 5 for Mac) fail to support alpha-channel transparency for PNG images. In these versions of IE, every pixel containing alpha-transparency is displayed with an ugly, flat gray color. Fortunately, there are plenty of hacks and workarounds designed to “fix” IE’s PNG image-display problem. Unfortunately, every currently available solution requires the use of Microsoft’s proprietary AlphaImageLoader transparency filter 1. Thus, if you need to display translucent PNG images in IE, […] Read more »