good

lib.typ

@@ -0,0 +1,15 @@
+#let callout(kind: str, label: str, body) = html.section(class: kind + " callout", context {
+  let depth = counter(heading).at(here()).len() + 1
+  heading(
+    depth: depth,
+    outlined: false,
+    numbering: none,
+    label,
+  )
+  " "
+  body
+})
+
+#let note = callout.with(kind: "note", label: "Note:")
+#let warn = callout.with(kind: "warn", label: "Warning:")
+#let tip = callout.with(kind: "tip", label: "Tip:")