- From: Morten Stenshorne via GitHub <sysbot+gh@w3.org>
- Date: Thu, 01 Jun 2017 12:57:09 +0000
- To: public-css-archive@w3.org
https://www.w3.org/TR/CSS22/box.html#border-style-properties has a section about certain style values, among those "inset":
"All borders are drawn on top of the box's background. The color of borders drawn for values of 'groove', 'ridge', 'inset', and 'outset' depends on the element's border color properties, but UAs may choose their own algorithm to calculate the actual colors used. For instance, if the 'border-color' has the value 'silver', then a UA could use a gradient of colors from white to dark gray to indicate a sloping border."
Of course, border-color is just color initially, but maybe this paragraph is what caused confusion. I've done some digging in Blink now, and we have this interesting passage in ComputedStyle.cpp:
```
// FIXME: Treating styled borders with initial color differently causes
// problems, see crbug.com/316559, crbug.com/276231
if (!visited_link && (border_style == EBorderStyle::kInset ||
border_style == EBorderStyle::kOutset ||
border_style == EBorderStyle::kRidge ||
border_style == EBorderStyle::kGroove))
return Color(238, 238, 238);
```
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Received on Thursday, 1 June 2017 12:57:15 UTC