How Webkit Filter Impacts Stacking Order on Hover
When applying a webkit filter, an unexpected issue arises where the stacking order changes upon hovering over a web element. Understanding why this occurs and how to address it without relying on z-indexing is crucial.
According to the CSS specification, setting a value for certain CSS properties triggers the creation of a stacking context. In the case of webkit filters, using a computed value other than "none" establishes a stacking context. This means that the element with the applied filter becomes the containing block and creates a new stacking context, thereby altering the stacking order.
To prevent this change in stacking order, it is recommended to avoid using webkit filters if possible. However, if you must use them, you can reverse the effects by ensuring that the absolutely positioned child elements have a higher stacking context than the parent element. In the provided example, this can be achieved by setting the z-index of the absolutely positioned child elements to a higher value.
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