Why Doesn't My SVG Background Image Display in Firefox Pseudo-elements?

SVG Background Image Not Displaying in Firefox Pseudo Element

In CSS, you can specify a background image for a pseudo element using the background-image property. However, when using data images, as in the case of SVG images, Firefox does not correctly display the image.

Cause:

The root cause lies in the use of the hash character (#) in the data URL. In a URL, the hash character is reserved to indicate the start of a fragment identifier.

Solution:

To resolve this issue, encode the hash character in the data URL by converting it to #. Here's how to do it:

background-image: url('data:image/svg+xml;utf8,<svg version="1.1"></svg>

By encoding the hash character, you ensure that it is correctly interpreted as part of the data URL and not as an identifier within the element. This change should resolve the issue, and the SVG image should display correctly as a background in the pseudo element in Firefox.

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