silviomoreto/bootstrap-select — pull request #718 by vsn4ik (2014-08-29 07:42:15+00:00)
Title: Fix margin on tick icon.

Styles Bootstrap 3:
- height item element (): 26px.
- height "glyphicon glyphicon-ok": 14px or 16px (with :before).

Correct margin-top on tick icon: (26px - 16px) / 2 = 5px.