Merge branch 'alecrust-patch-3' into 2.0.3-wip

diff --cc less/mixins.less
index 71532fcff792bb84510f10db020945d6cad88d02,2493a6151ede63c023c997d1222565b0ef4a222a..a419a56ba39e8c3bb86c86b216cb69296926bac3
--- 1/less/mixins.less
--- 2/less/mixins.less
+++ b/less/mixins.less
@@@ -313,9 -300,9 +313,9 @@@
  }
  
  // Opacity
 -.opacity(@opacity: 100) {
 +.opacity(@opacity) {
    opacity: @opacity / 100;
-    filter: ~"alpha(opacity=@{opacity})";
+   filter: ~"alpha(opacity=@{opacity})";
  }