% Flowcharts

\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']