apply color-adjust to admonition icon so it appears in print

diff --git a/src/css/print.css b/src/css/print.css
index 0df133e..62fc6b4 100644 (file)
--- a/src/css/print.css
+++ b/src/css/print.css
@@ -67,6 +67,10 @@
     padding-bottom: 2rem;
   }
 
+  .doc .admonitionblock td.icon {
+    color-adjust: exact;
+  }
+
   .doc .listingblock code[data-lang]::before {
     display: block;
   }