diff --git a/src/parts/_typography.css b/src/parts/_typography.css
index 407ca7a..74f63d1 100644
--- a/src/parts/_typography.css
+++ b/src/parts/_typography.css
@@ -62,15 +62,15 @@ address {
   font-style: normal;
 }
 
-a[href^='mailto']::before {
+a[href^='mailto\:']::before {
   content: '📧 ';
 }
 
-a[href^='tel']::before {
+a[href^='tel\:']::before {
   content: '📞 ';
 }
 
-a[href^='sms']::before {
+a[href^='sms\:']::before {
   content: '💬 ';
 }
 
@@ -79,4 +79,4 @@ mark {
   border-radius: 2px;
   padding: 0px 2px 0px 2px;
   color: #000000;
-}
\ No newline at end of file
+}