jquery/jquery-mobile — pull request #5174 by jschulte (2012-10-15 20:21:11+00:00)
Title: inputs: Modify placeholder text color in Firefox to use standard

inputs: Modify placeholder text color in Firefox to use standard in FF 15+. Fixes #5166 - Text input placeholder text not grayed out in Firefox

Demo without fix:

http://jsbin.com/inupud/6

Demo with fix:

http://jsbin.com/inupud/5