diff --git a/lizenz_cc_lizenzen b/lizenz_cc_lizenzen
index 3e0dcbd..4a9e4de 100644
--- a/lizenz_cc_lizenzen
+++ b/lizenz_cc_lizenzen
@@ -1,11 +1,21 @@
-\tikzset{
-	io/.style0{
-		trapezium left angel=70,
-		trapezium right angel=110,
+\usetikzlibrary{shapes.geometric,}
+
+
+
+
+\begin{tikzpicture}[thick,
+	io/.style={
+		trapezium,
+		trapezium left angle=70,
+		trapezium right angle=110,
 		fill=magenta!10,
 		draw=magenta
-	}
-}
-\begin{tikzpicture}[thick]
-
-\end{tikzpicture}
\ No newline at end of file
+	},
+	op/.style={
+	rectangle,
+	fill=orange!10,
+	draw=orange	
+	},
+]
+	\node at (0,4) [draw,io] {Eingabe};
+\end{tikzpicture}