0 Nov 27, 2014 — https://sf.gl/1282

Strikethroughs in the Safari Web Inspector styles? Here’s why

Safari uses a strikethrough in showing invalid properties in style sheets. This is not documented, and there's no tooltips to explain this multicolored line.

There are 2 known different strikethroughs, red and black.

Styles getting overridden by other styles are striked out in black:

Strike (overridden)


But when it's an invalid or supported property, or the value can't be parsed, the strikethrough in the style sidebar is red:



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