* Stop double-counting border and padding for inline-block fragments.
(Test case: `inline_block_border_intrinsic_size_a.html`.)
* Take clearance into account when determining intrinsic widths of
blocks containing floats.
Improves the Amazon headers.
r? @mbrubeck
Source-Repo: https://github.com/servo/servo
Source-Revision: 7b87085c1880c60aa3be5b3ec4572a0d93fd5537