diff --git a/src/assets/css/src/2.blocks.button.css b/src/assets/css/src/2.blocks.button.css
index 04ef5dd..b19db7f 100644
--- a/src/assets/css/src/2.blocks.button.css
+++ b/src/assets/css/src/2.blocks.button.css
@@ -161,6 +161,9 @@ input[type="checkbox"]:checked + .btn--primary {
   .btn--white-20:hover {
     --btn-background: var(--color-white-15);
   }
+  .btn--black-10:hover {
+    --btn-background: var(--color-black-20);
+  }
   .btn--grey:hover {
     --btn-background: var(--color-grey-800);
   }