bump min iOS in Autoprefixer config to v7

diff --git a/Gruntfile.js b/Gruntfile.js
index b33a3c825bd9553a88c164dd193419d61344e5f8..d09e6f5606ee0cf6f4eec70e8df06ef0db0d8cf4 100644 (file)
--- a/Gruntfile.js
+++ b/Gruntfile.js
@@ -179,7 +179,7 @@ module.exports = function (grunt) {
           'Chrome >= 20',
           'Firefox >= 31',
           'Explorer >= 9',
-          'iOS >= 6',
+          'iOS >= 7',
           'Opera >= 12',
           'Safari >= 6'
         ]