diff --git a/ifdsa/index.css b/ifdsa/index.css
index 947405b..94a2dd2 100644
--- a/ifdsa/index.css
+++ b/ifdsa/index.css
@@ -19,12 +19,14 @@ body {
 }
 
 h1 {
-  text-decoration: underline #0E4385;
+  text-decoration-line: underline;
+  text-decoration-color: #0E4385;
   text-decoration-style: wavy;
 }
 
 h2 {
-  text-decoration: underline #C52947;
+  text-decoration-line: underline;
+  text-decoration-color: #C52947;
   text-decoration-style: wavy;
 }