Blurry Content, Not Background? How to Achieve a Clean Blur Effect with CSS

Background Blur with CSS: Unblurring the Content

You aspire to create an eye-catching popup with a blurred background on your website, emulating the sleek aesthetic of Vista or Windows 7. While designing this effect, you encountered a perplexing issue: your content was becoming blurry instead of the background.

Fear not, for CSS unveils a creative solution to your plight. Utilizing the -moz-element() property, you can effortlessly blur the background without distorting the content. Here's how it works:

• Define an element as the background image of another element using -moz-element()
• Apply an SVG blur filter to the background element
• Optionally, incorporate jQuery to handle scrolling (if your background is fixed)

This solution offers an elegant and efficient means of adding depth and visual intrigue to your popups. While its usage is currently limited to Mozilla browsers, it holds promise for future implementation in other web browsers, offering a cross-browser solution for background blurring.

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