Style notes in docs

_includes/docs-head.md

-{: .note}
-This document refers to **Schleuder version {{ include.version }}** To read about older versions of Schleuder please see the [older docs]({{ "schleuder/docs/older/" | absolute_url }}).
+This document refers to **Schleuder version {{ include.version }}**. To read about older versions of Schleuder please see the [older docs]({{ "schleuder/docs/older/" | absolute_url }}).
 
 * toc
 {:toc}

assets/css/styles.scss

@@ -149,4 +149,10 @@ a.navbar-item.is-active,
 
 .highlighter-rouge {
 	margin-bottom: 1rem;
+}
+
+.note {
+	font-style: italic;
+	border: 2px solid $green-light;
+	padding: 0.5rem;
 }
\ No newline at end of file