diff --git a/docs/blackbelt.png b/docs/blackbelt.png
new file mode 100644
index 00000000..d478fd83
Binary files /dev/null and b/docs/blackbelt.png differ
diff --git a/docs/workshop.css b/docs/workshop.css
index edc62769..8f993ba1 100644
--- a/docs/workshop.css
+++ b/docs/workshop.css
@@ -100,6 +100,12 @@ img {
   display: inline;
 }
 
+.blackbelt {
+  background-image: url("blackbelt.png");
+  background-size: 1.5em;
+  background-repeat: no-repeat;
+  padding-left: 2em;
+}
 .warning {
   background-image: url("warning.png");
   background-size: 1.5em;