Improved position of few elements in the unlock-screen.

input.showMiniLockKey was slightly shifted on the right.

div.unlockInfo was shorter than the set of elements above,
which I don't believe was the intention of the author.
Moving elements while trying to unlock.

Moving div.unlock such that's enough room for
showing the complete tip, on the unlock screen
Merge pull request #101 from giuscri/master

An attempt to improve some (maybe)screwed style elements