diff --git a/static/styles/portico.scss b/static/styles/portico.scss
index 507b07e699..86d72b8fd2 100644
--- a/static/styles/portico.scss
+++ b/static/styles/portico.scss
@@ -983,7 +983,7 @@ a.bottom-signup-button {
 
 .contributors-list {
     margin-left: -40px;
-    width: calc(100% + 80px);
+    width: calc(100% - -80px);
 }
 
 .contributors {
diff --git a/static/styles/settings.scss b/static/styles/settings.scss
index 5895a6323a..10884cb9c2 100644
--- a/static/styles/settings.scss
+++ b/static/styles/settings.scss
@@ -1797,7 +1797,7 @@ thead .actions {
 .custom_user_field .pill-container:focus-within {
     border-color: rgba(82, 168, 236, 0.8);
     outline: 0;
-    outline: thin dotted \9;
+    outline: 1px dotted \9;
 
     -webkit-box-shadow: inset 0 1px 1px rgba(0, 0, 0, 0.075), 0 0 8px rgba(82, 168, 236, 0.6);
     -moz-box-shadow: inset 0 1px 1px rgba(0, 0, 0, 0.075), 0 0 8px rgba(82, 168, 236, 0.6);
diff --git a/tools/linter_lib/custom_check.py b/tools/linter_lib/custom_check.py
index 04dd2c260f..b0cdae7951 100644
--- a/tools/linter_lib/custom_check.py
+++ b/tools/linter_lib/custom_check.py
@@ -913,8 +913,8 @@ def build_custom_checkers(by_lang):
                 failed = True
 
         color = next(colors)
-        for fn in by_lang['css']:
-            if custom_check_file(fn, 'css', css_rules, color):
+        for fn in by_lang['scss']:
+            if custom_check_file(fn, 'scss', css_rules, color):
                 failed = True
 
         color = next(colors)