env: add rule environment

my-env.sty

@@ -44,6 +44,22 @@
 
 }{\end{mdframed}\end{minipage}\vskip 1em}
 
+% for rules
+\RequirePackage{graphicx}
+\newenvironment{rules}[1][]{%
+  \vskip 1em
+  \begin{minipage}[t]{0.125\linewidth}
+    \vspace{0pt}
+      \includegraphics[width=0.85\linewidth]{policeman.png}
+  \end{minipage}
+  \begin{minipage}[t]{0.875\linewidth}
+   \begin{mdframed}[%
+      backgroundcolor={blue!15}, topline=false, bottomline=false, rightline=false,
+      skipabove=0.7\baselineskip, skipbelow=0.7\baselineskip,
+      splitbottomskip=2pt, splittopskip=4pt, #1]%
+
+}{\end{mdframed}\end{minipage}\vskip 1em}
+
 % reminder
 \newenvironment{reminder}[1][]{%
   \vskip 1em