diff --git a/_includes/styles/base.scss b/_includes/styles/base.scss
index 0428754..6addef9 100644
--- a/_includes/styles/base.scss
+++ b/_includes/styles/base.scss
@@ -324,3 +324,13 @@ ol.footnotes {
     margin-left: 0.3rem;
   }
 }
+
+kbd {
+  font-family: var(--font--mono);
+  font-size: .9em;
+  font-weight: bold;
+  padding: 0.2rem 0.4rem;
+  border-radius: 3px;
+  background-color: var(--color-bg--layer-01);
+  border: 1px solid var(--color-black);
+}