UIElements: Border-style in USS not supported?

Unity Engine
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1

Hello, I’m trying to replicate the regular CSS border styles in Unity, based on this W3Schools page.

The official Unity documentation doesn’t reference any kind of border style. Is it possible to replicate a dashed button border like the one in the W3S example, or I am restricted to using a sliced Texture2D?

2

Hello! Yes, unfortunately, border style is currently unsupported.

3

Thank you for your reply. Quite a bummer, hopefully more css implementations will be added in future versions.

4

I know it is a year later, but you might want to look at AppUi package.
They made an implementation for dotted, dashed BorderStyles.
A bit hard to find as there is no official documentation for it (or at least I did not find any..) but you can apply it through a .uss style.
E.g.: I made a global style:

.border-dashed {
    --border-style: 3; /* dashed */
    --border-dot-factor: 20; /* 8 times bigger than --border-width */
    --border-width: 1;
    --border-color: var(--appui-foregrounds-25);
    --border-speed: 0.1;
}

If I apply .border-dashed to an ExVisualElement (also from AppUI..) it makes a passable dashed border.