diff --git a/lvspec.cls b/lvspec.cls
index cb3c303..201ff6c 100644
--- a/lvspec.cls
+++ b/lvspec.cls
@@ -33,6 +33,18 @@
 \RequirePackage{multirow}
 \RequirePackage{task}
 
+\RequirePackage{tikz}
+\usetikzlibrary{shapes,arrows}
+
+% flowchart stuff
+\tikzstyle{decision} = [diamond, draw, fill=gray!10,
+  text badly centered, text width=20ex, node distance=40ex]
+\tikzstyle{accept} = [draw, rectangle, fill=red!10,
+  minimum height=4em, text centered, rounded corners,
+  text width=10ex, node distance=30ex]
+\tikzstyle{line} = [draw, -latex']
+
+
 % default hyperlink color
 \definecolor{hyperlink}{HTML}{000040}
 % unless black and white