CSS tweaks: gradient and shadow nitpicks, bg image for xray-bar
CSS tweaks: gradient and shadow nitpicks, bg image for xray-bar

mattbrictson/xray-rails,brentd/xray-rails,mattbrictson/xray-rails,mattbrictson/xray-rails,brentd/xray-rails,fukayatsu/xray-rails,fukayatsu/xray-rails,fukayatsu/xray-rails,fukayatsu/xray-rails,brentd/xray-rails,mattbrictson/xray-rails,brentd/xray-rails