diff --git a/themes/custom/assets/style.scss b/themes/custom/assets/style.scss
index 512db60..994e603 100644
--- a/themes/custom/assets/style.scss
+++ b/themes/custom/assets/style.scss
@@ -50,13 +50,16 @@
     content: "";
 }
 
-.content h2:before,
-.content h3:before {
-    content: "#";
-    color: $grey;
-    position: absolute;
-    left: 0;
-    margin-left: -2rem;
+@media screen and (min-width: $desktop) {
+    .content h2:before,
+    .content h3:before {
+        content: "◼";
+        color: lighten($background-base-color, 6);
+        position: absolute;
+        left: 0;
+        margin-left: -2.5rem;
+        line-height: 1em;
+    }
 }
 
 .message {