diff --git a/src/components/card.webc b/src/components/card.webc
index 0d63978..081b60f 100644
--- a/src/components/card.webc
+++ b/src/components/card.webc
@@ -48,14 +48,14 @@
     padding-inline: var(--card-spacing);
   }
 
-  :host h2 {
+  :host :where(h2, h3, h4, h5, h6) {
     position: relative;
     font-size: 1.375rem;
     margin-block: 0 0.5em;
     padding-block: 0 0.5em;
   }
 
-  :host h2::after {
+  :host :where(h2, h3, h4, h5, h6)::after {
     content: '';
     position: absolute;
     display: block;