diff --git a/themes/secluded/assets/scss/_main.scss b/themes/secluded/assets/scss/_main.scss
index ef90b90..850f9de 100644
--- a/themes/secluded/assets/scss/_main.scss
+++ b/themes/secluded/assets/scss/_main.scss
@@ -24,6 +24,41 @@ summary:hover {
   background-color: #ddd;
   border-radius: 7px;
 }
+.admonition {
+  margin: 15px -14px;
+  padding: 5px 10px;
+  border: 2px solid;
+  p {
+    margin: 0;
+  }
+
+  &.note {
+    border-color: #b3d1f3;
+    background-color: #e5f1ff;
+  }
+  &.tip {
+    border-color: #b3f3d1;
+    background-color: #e5fff1;
+  }
+  &.warn {
+    border-color: #f3d1b3;
+    background-color: #fff0ce;
+  }
+  &.err {
+    border-color: #f3b3b3;
+    background-color: #ffe5e5;
+  }
+}
+blockquote {
+  margin: 15px -19px;
+  padding: 0 15px;
+  border-left: 3px solid $dark;
+  border-radius: 7px;
+  color: $dark;
+  p {
+    margin: 0;
+  }
+}
 hr {
   margin: 15px 0;
   border: 1px solid $dark;
diff --git a/themes/secluded/layouts/shortcodes/adm.html b/themes/secluded/layouts/shortcodes/adm.html
new file mode 100644
index 0000000..bd474fd
--- /dev/null
+++ b/themes/secluded/layouts/shortcodes/adm.html
@@ -0,0 +1,13 @@
+{{- if .IsNamedParams }}
+    {{- if eq (.Get "type") "note" "warn" "err" "tip" }}
+    <aside class="admonition {{ .Get "type" }}">
+        <p>{{- .Inner | markdownify -}}</p>
+    </aside>
+    {{- else }}
+    {{ errorf "param 'type' must be one of note, warn, or err: %s" .Position }}
+    {{- end }}
+{{- else }}
+<aside class="admonition note">
+    <p>{{- .Inner | markdownify -}}</p>
+</aside>
+{{- end }}