diff --git a/build.sh b/build.sh
index 989aec1..d5f8a00 100755
--- a/build.sh
+++ b/build.sh
@@ -19,7 +19,7 @@ then
     INPUT_FILES="$INPUT_FILES $METADATA_FILE"
 fi
 
-PANDOC_ARGS="$INPUT_FILES --lua-filter=$SCRIPTPATH/variables.lua --template $SCRIPTPATH/main.tex -o $OUTPUT_FILE $ADDITIONAL_ARGS"
+PANDOC_ARGS="$INPUT_FILES --lua-filter=$SCRIPTPATH/variables.lua --template $SCRIPTPATH/main.tex --listings -o $OUTPUT_FILE $ADDITIONAL_ARGS"
 
 echo "> Building document..."
 cd $SCRIPTPATH && pandoc $PANDOC_ARGS
diff --git a/packages.tex b/packages.tex
index d2eeaa6..166efc7 100644
--- a/packages.tex
+++ b/packages.tex
@@ -11,6 +11,9 @@
 \usepackage[margin=1in,includefoot]{geometry}
 \usepackage{graphicx}
 \usepackage{titlesec}
+\usepackage{textcomp}
+\usepackage{xcolor}
+\usepackage{listings}
 
 \hypersetup{
     hidelinks=true
@@ -18,6 +21,27 @@
 
 \usepackage{helvet}
 \renewcommand{\familydefault}{\sfdefault}
+\newcommand{\passthrough}{}
+
 
 \usepackage[document]{ragged2e}
 \usepackage{lastpage}
+
+\lstset{
+    basicstyle=\ttfamily,
+    keywordstyle=\color[rgb]{0.13,0.29,0.53}\bfseries,
+    stringstyle=\color[rgb]{0.31,0.60,0.02},
+    commentstyle=\color[rgb]{0.56,0.35,0.01}\itshape,
+    backgroundcolor=\color[RGB]{248,248,248},
+    showspaces=false,
+    showstringspaces=false,
+    showtabs=false,
+    tabsize=2,
+    captionpos=b,
+    breaklines=true,
+    breakatwhitespace=true,
+    breakautoindent=true,
+    escapeinside={\%*}{*)},
+    linewidth=\textwidth,
+    basewidth=0.5em,
+}
diff --git a/test/main.md b/test/main.md
index 31dfacb..523d844 100644
--- a/test/main.md
+++ b/test/main.md
@@ -5,9 +5,69 @@ subtitle: Test Document
 ---
 # Hello world
 
-\lipsum[3-15]
+\lipsum[3-10]
 
 Foo is equal to \$foo\$.
 Input directory is at \$inputDir\$.
 
 \includegraphics[width=\textwidth]{test-image}
+
+# Test 1
+test 1
+
+## Test 1a
+test 1a
+
+### Test 1ai
+test 1ai
+
+### Test 1aii
+test 1aii
+
+#### Test 1aii inner
+test 1aii inner
+
+##### Test 1aii inner inner
+test 1aii inner inner
+
+### Test 1aiii
+test 1aiii
+
+## Test 1b
+test 1b
+
+## Test 1c
+test 1c
+
+# Test 2
+test 2
+
+# Test 3
+test 3
+
+# Test 4
+test 4
+
+
+# Test code
+```java
+public class Test {
+    static Set<Thread> updateThreads = new HashSet<Thread>();
+
+    public static void main(String[] args) {
+        ConcurrentMap<Integer, String> concurrentMap = new ConcurrentHashMap<Integer, String>();
+        for (int i = 0; i < 1000; i++) {
+            startUpdateThread(i, concurrentMap);
+        }
+        for (Map.Entry<Integer, String> entry : concurrentMap.entrySet()) {
+            System.out.println("Key :" + entry.getKey() + " Value:" + entry.getValue());
+        }
+        for (Thread thread : updateThreads) {
+            thread.interrupt();
+        }
+    }
+}
+```
+
+## Test Inline Code
+Some `inline` code.