Return container shadows to 1px blur as they were pre- r26293. This is a better match for the 1px shadow we use on buttons and screen options. See #25858.
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Twenty Fourteen: remove extra space before a word, props ocean90. See #26437.

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Twenty Fourteen: match `screen-reader-text` accessibility styles a bit better with core, to avoid a jump when you move through the links, and to avoid a horizontal scroll at certain viewport widths. Also fix JS focus by specifying the first match object. Closes #25592.
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3.8-RC2

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