Pseudo-Elements and Filter Compatibility in IE8
Issue Outline:
Attempting to apply filters to pseudo elements using the CSS :before and :after fails in IE8.
Analysis:
The problem lies in the nature of filters in IE8. Filters in IE8 are applied to objects containing content, but pseudo elements generate content themselves.
Answer:
Filters cannot be applied to pseudo elements in IE8 because:
- Filters are procedural surfaces placed between the content of an object and its background.
- Pseudo elements (:before and :after) generate content, which means they are considered content themselves.
- Therefore, there is no object containing the content to which the filter can be applied.
In essence, filters in IE8 are designed for objects, not generated content.
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