twitter/bootstrap — pull request #7951 by hppycoder (2013-05-21 20:28:17+00:00)
Title: Vertical gradients now have percentages passed in as arguments

This feature allows vertical gradients to accept two optional parameters for the percentage used when creating the gradient. This allows a UI developer to not have an all-or-nothing (0% to 100%) gradient. Instead they could have it start at 17% and go to 59%.