diff --git a/.scss-lint.yml b/.scss-lint.yml
index 5093702519bd0d51379d6e7f9c02e48b4f769dc6..9eb6fdd767f2b2d5a3469bb46468574c6f685999 100644
--- a/.scss-lint.yml
+++ b/.scss-lint.yml
@@ -201,7 +201,7 @@ linters:
   # Operators should be formatted with a single space on both sides of an
   # infix operator.
   SpaceAroundOperator:
-    enabled: false
+    enabled: true
   
   # Opening braces should be preceded by a single space.
   SpaceBeforeBrace:
diff --git a/app/assets/stylesheets/framework/modal.scss b/app/assets/stylesheets/framework/modal.scss
index 8374f30d0b2592fffccdd75a0ffdfcdf06708320..8cd49280e1c4657701444f6af2ba4f31fcbe7a3a 100644
--- a/app/assets/stylesheets/framework/modal.scss
+++ b/app/assets/stylesheets/framework/modal.scss
@@ -3,7 +3,7 @@
   padding: 15px;
 
   .form-actions {
-    margin: -$gl-padding+1;
+    margin: -$gl-padding + 1;
     margin-top: 15px;
   }
 
diff --git a/app/assets/stylesheets/pages/note_form.scss b/app/assets/stylesheets/pages/note_form.scss
index 17f28959414c5db1077d246907f4578f9fdfe83b..25c1bbdc1c90c456507e08f651565f6074956eb5 100644
--- a/app/assets/stylesheets/pages/note_form.scss
+++ b/app/assets/stylesheets/pages/note_form.scss
@@ -8,7 +8,7 @@
 .diff-file .diff-content {
   tr.line_holder:hover > td .line_note_link {
     opacity: 1.0;
-    filter: alpha(opacity=100);
+    filter: alpha(opacity = 100);
   }
 }