CSS WG Blog Backgrounds and Borders (briefly) back to …

Backgrounds and Borders (briefly) back to Working Draft

The CSS Working Group has published a Last Call Working Draft of the CSS Backgrounds and Borders Module Level 3

The 24 July 2012 Candidate Recommendation was returned to Last Call Working Draft, although most of it has been implemented, as implementation feedback suggested that some things could be improved. The changes, even though minor from the point of view of a user, require changes in implementations and thus the draft needs a new review.

The changes are explained in the specification itself. The most important ones are:

• More permissive syntax for the values of the ‘background’ and ‘box-shadow’ properties: The old syntax was unnecessarily restrictive in the order in which certain values had to be written.
• Smooth transitions between the shapes of drop shadows (‘box-shadow’ property) when ‘border-radius’ goes from a small value to 0 (i.e., from a rounded to a sharp corner). Previously, the drop shadow of a box with sharp corners could, under certain circumstances, look very different from the shadow of a box with a small, rounded corner.
• The ‘box-decoration-break’ property has been removed. (It will come back later in a different specification.) This property was already marked as “at risk” in the CR.

The end of the review period is 3 March 2014.

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