Print improvement

Don't pagebreak inside callouts

src/styles/print-improvements.css

@@ -1,6 +1,10 @@
 @media print {
     h2,
     h3 {
-        break-after: avoid;
+        break-after: avoid-page;
+    }
+
+    .markdown-alert, .markdown-alert * {
+        break-inside: avoid-page;
     }
 }