Can you please explain the function of this CSS code snippet?

a#logo {
    _background:transparent;
    _filter:progid:dXImageTransform.Microsoft.alphaImageLoader(src="/images/header/logo.png", sizingMethod="crop");
    _cursor:pointer;
}

Answer №1

This solution addresses the issue of transparent PNGs not rendering properly in Internet Explorer by implementing a specific Image Loader for IE.

While this fix is targeted towards IE, it is common practice to use JavaScript instead of explicitly specifying it in the CSS since many pages contain multiple transparent PNG images. Developers often opt for a script like TwinHelix's IE PNG Fix to address this across all images on a page.

Answer №2

Enabling PNG Alpha transparency in Internet Explorer can be helpful, but it may not always adhere to official CSS standards. It's a common challenge in web development to balance compatibility with modern standards.

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