Protocol agnostic url for google font

css/style.css

@@ -1,4 +1,4 @@
-@import url(http://fonts.googleapis.com/css?family=Roboto);
+@import url(//fonts.googleapis.com/css?family=Roboto);
 .ng-leave {
   opacity: 1;
 }

less/style.less

@@ -2,7 +2,7 @@
 @import "animations.less";
 @import "contextMenu.less";
 
-@import url(http://fonts.googleapis.com/css?family=Roboto);
+@import url(//fonts.googleapis.com/css?family=Roboto);
 
 * {
     box-sizing: border-box;