diff --git a/docs/.stylelintrc.json b/docs/.stylelintrc.json
index 88e576e9043..e311bae02bf 100644
--- a/docs/.stylelintrc.json
+++ b/docs/.stylelintrc.json
@@ -1,7 +1,7 @@
 {
     "extends": ["stylelint-config-standard-scss"],
     "rules": {
-        "alpha-value-notation": null,
+        "alpha-value-notation": "number",
         "at-rule-empty-line-before": null,
         "color-function-notation": "legacy",
         "color-hex-case": null,
diff --git a/docs/src/assets/scss/carbon-ads.scss b/docs/src/assets/scss/carbon-ads.scss
index 085b0b736fe..e333f077c92 100644
--- a/docs/src/assets/scss/carbon-ads.scss
+++ b/docs/src/assets/scss/carbon-ads.scss
@@ -31,8 +31,8 @@
 }
 
 .jumbotron #carbonads {
-    border: solid 1px hsla(250, 20%, 50%, .6);
-    background-color: hsla(0, 0%, 70%, .15);
+    border: solid 1px hsla(250, 20%, 50%, 0.6);
+    background-color: hsla(0, 0%, 70%, 0.15);
 }
 
 #carbonads a {