Changed 50% to 40% in the following tests and
associated reftests (52 files total):
border-left/right/top/bottom-/outline-/color
(052-53,073-74,093-94,113-14) tests.

I removed the meta flags in reftests.

I reviewed+approved the tests and reftests ... albeit 1in could
be better replaced with 100px and
"(...) the boxes below are the same color"
could be replaced with the more consistent wording
"(...) there are 2 squares with the <strong>same color</strong>."