Re: [css-background-4] Improvements to border-image

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On Fri, May 5, 2023 at 3:38 PM Meredith Espinosa <goclonefilms@gmail.com>
wrote:

> The current state of border-image is...less than stellar. There are two
> main problems I've run into:
>
> 1. Unlike background-image, border image sources cannot be layered.
> 2. Border images are fully unaffected by border-style and border-radius.
>
> The former is a simple parity issue - the value of border-image-source
> could be converted from none | <image> to <bg-image>#  without breaking
> existing CSS, and the other border-image properties could be made to
> support groups as well.
>
> While the latter makes a lot of sense for using a sliced image, this
> becomes an issue if you want to use a gradient as a border - as <gradient>
> is a subtype of <image>, this results in gradient borders being unable to
> use the features you'd use with a solid-colored or hidden border. While
> there are workarounds, they're not pretty - take for example this post from
> blep on cohost: https://cohost.org/blep/post/1445650-gui-design-thin
>
> I'm not quite sure of an optimal solution for this, as changing it would
> inherently change the visual presentation of any websites that use the
> current behavior. However, I feel it's still important to consider, as
> design trends like neumorphism are starting to bring back gradients in ways
> where having a gradient border with a radius would be desirable.
>
> I'm new to spec proposals, so please don't hesitate to let me know if I've
> missed anything! Thank you for your time!
>
> Regards,
> -Meredith
>
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