diff --git a/structure.tex b/structure.tex
index aedc184..c1aeb45 100644
--- a/structure.tex
+++ b/structure.tex
@@ -106,6 +106,13 @@
     numbersep=8pt,
     rulecolor=\color{black},
 }
+\lstdefinestyle{plaintxt}{
+    language=TeX,
+    numbers=none,
+    frame=trBL,
+    frameround=fttt,
+    backgroundcolor=\color{white},
+}
 
 
 \geometry{a4paper,margin=2cm}