Move skip-to-content link to top to make it first focusable element for keyboard navigation.
Move skip-to-content link
Merge branch 'mor10-move_skip-to-content_link'
Remove leading space in stylesheet comment.
Pinking shears (remove trailing spaces) in two files.
Merge remote-tracking branch 'upstream/master' into ja

* upstream/master:
  Pinking shears (remove trailing spaces) in two files.
  Remove leading space in stylesheet comment.
  Move skip-to-content link to top to make it first focusable element for keyboard navigation.
翻訳ファイル修正