diff --git a/plantuml/lecture-style.pu b/plantuml/lecture-style.pu
new file mode 100644
index 0000000..e65bf15
--- /dev/null
+++ b/plantuml/lecture-style.pu
@@ -0,0 +1,19 @@
+@startuml
+
+hide circle
+
+skinparam {
+  shadowing false
+  backgroundColor transparent
+}
+
+skinparam class {
+  BackgroundColor #DDE0E5
+  BorderColor #515151
+  ArrowColor #515151
+  FontColor #515151
+  AttributeFontColor #515151
+}
+
+
+@enduml
\ No newline at end of file