diff --git a/src/app/app.css b/src/app/app.css
index 30eb886d..63ccf806 100644
--- a/src/app/app.css
+++ b/src/app/app.css
@@ -4,11 +4,8 @@ body,
   height: 100%;
 }
 
-.pf-c-content {
-  --pf-c-content--small--Color: red;
-  /* changes all <small> color to red */
-  --pf-c-content--blockquote--BorderLeftColor: purple;
-  /* changes all <blockquote> left border color to purple */
-  --pf-c-content--hr--BackgroundColor: lemonchiffon;
-  /* changes a <hr> color to lemonchiffon */
-}
\ No newline at end of file
+.pf-v5-c-content {
+  --pf-v5-c-content--small--Color: red; /* changes all <small> color to red */
+  --pf-v5-c-content--blockquote--BorderLeftColor: purple; /* changes all <blockquote> left border color to purple */
+  --pf-v5-c-content--hr--BackgroundColor: lemonchiffon; /* changes a <hr> color to lemonchiffon */
+}