Move "Copy" button in `code`.

BS3 commits: 018c1c0b6efd176793b962ff5e2774cf18bb0953
grunt

BS3 commits: a0e6bd96de844725fb5a4f414aef721be86204c5
grunt

BS3 commits: e9d6f256c25a51cfba5be818fa948a55a93b1379
grunt

BS3 commits: a0e6bd96de844725fb5a4f414aef721be86204c5
grunt. grunt

BS3 commits: e9d6f256c25a51cfba5be818fa948a55a93b1379,
a0e6bd96de844725fb5a4f414aef721be86204c5