webpack implementation

assets/styles/main.scss

@@ -1,9 +1,7 @@
 @import "common/variables";
 
-// Automatically injected Bower dependencies via wiredep (never manually edit this block)
-// bower:scss
-@import "../../bower_components/bootstrap/scss/bootstrap.scss";
-// endbower
+// Import Boostrap from node_modules/...
+@import "~bootstrap/scss/bootstrap";
 
 @import "common/global";
 @import "components/buttons";