Fix CSS compression for new SASS compiler

Change-Id: Ib8775b7e5cef7e2fa4ed270fd96ff838210e6f24
diff --git a/Changes b/Changes
index 71820b5..eae7731 100755
--- a/Changes
+++ b/Changes
@@ -1,4 +1,4 @@
-0.43 2021-07-02
+0.43 2021-07-23
         - New menu class that has an entry at the very end,
           similar to the input text prefix,
           that is always available (lerepp).
@@ -8,6 +8,7 @@
           childNodes by a tag. Used in menu-style specs. (lerepp)
         - Remove 'X-Frame-Options' in favor of 'frame-ancestors'
           as a CSP rule.
+        - Fix CSS compression for new SASS compiler.
 
 0.42 2021-06-18
         - Added GitHub based CI for perl.
diff --git a/Gruntfile.js b/Gruntfile.js
index dd59ac3..51965ac 100644
--- a/Gruntfile.js
+++ b/Gruntfile.js
@@ -79,6 +79,7 @@
         options: {
           implementation: sass,
           style: 'compressed',
+          outputStyle: 'compressed',
           sourceMap: true
         },
         files: {