diff --git a/5min/day1/index.html b/5min/day01/index.html
similarity index 100%
rename from 5min/day1/index.html
rename to 5min/day01/index.html
diff --git a/5min/day2/index.php b/5min/day02/index.php
similarity index 100%
rename from 5min/day2/index.php
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diff --git a/5min/day3/index.php b/5min/day03/index.php
similarity index 100%
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diff --git a/5min/day4/index.php b/5min/day04/index.php
similarity index 100%
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diff --git a/5min/day5/index.php b/5min/day05/index.php
similarity index 100%
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diff --git a/5min/day5/styles.css b/5min/day05/styles.css
similarity index 100%
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rename to 5min/day05/styles.css
diff --git a/5min/day6/index.php b/5min/day06/index.php
similarity index 100%
rename from 5min/day6/index.php
rename to 5min/day06/index.php
diff --git a/5min/day7/css/.gitkeep b/5min/day07/css/.gitkeep
similarity index 100%
rename from 5min/day7/css/.gitkeep
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diff --git a/5min/day7/css/styles.css b/5min/day07/css/styles.css
similarity index 100%
rename from 5min/day7/css/styles.css
rename to 5min/day07/css/styles.css
diff --git a/5min/day7/img/.gitkeep b/5min/day07/img/.gitkeep
similarity index 100%
rename from 5min/day7/img/.gitkeep
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diff --git a/5min/day7/includes/.gitkeep b/5min/day07/includes/.gitkeep
similarity index 100%
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diff --git a/5min/day7/index.php b/5min/day07/index.php
similarity index 100%
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diff --git a/5min/day7/js/.gitkeep b/5min/day07/js/.gitkeep
similarity index 100%
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diff --git a/5min/day7/js/index.js b/5min/day07/js/index.js
similarity index 100%
rename from 5min/day7/js/index.js
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diff --git a/5min/day8/css/.gitkeep b/5min/day08/css/.gitkeep
similarity index 100%
rename from 5min/day8/css/.gitkeep
rename to 5min/day08/css/.gitkeep
diff --git a/5min/day8/css/styles.css b/5min/day08/css/styles.css
similarity index 100%
rename from 5min/day8/css/styles.css
rename to 5min/day08/css/styles.css
diff --git a/5min/day8/img/.gitkeep b/5min/day08/img/.gitkeep
similarity index 100%
rename from 5min/day8/img/.gitkeep
rename to 5min/day08/img/.gitkeep
diff --git a/5min/day8/includes/.gitkeep b/5min/day08/includes/.gitkeep
similarity index 100%
rename from 5min/day8/includes/.gitkeep
rename to 5min/day08/includes/.gitkeep
diff --git a/5min/day8/index.php b/5min/day08/index.php
similarity index 100%
rename from 5min/day8/index.php
rename to 5min/day08/index.php
diff --git a/5min/day8/js/.gitkeep b/5min/day08/js/.gitkeep
similarity index 100%
rename from 5min/day8/js/.gitkeep
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diff --git a/5min/day8/js/index.js b/5min/day08/js/index.js
similarity index 100%
rename from 5min/day8/js/index.js
rename to 5min/day08/js/index.js
diff --git a/5min/day9/css/.gitkeep b/5min/day09/css/.gitkeep
similarity index 100%
rename from 5min/day9/css/.gitkeep
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diff --git a/5min/day9/css/styles.css b/5min/day09/css/styles.css
similarity index 100%
rename from 5min/day9/css/styles.css
rename to 5min/day09/css/styles.css
diff --git a/5min/day9/img/.gitkeep b/5min/day09/img/.gitkeep
similarity index 100%
rename from 5min/day9/img/.gitkeep
rename to 5min/day09/img/.gitkeep
diff --git a/5min/day9/includes/.gitkeep b/5min/day09/includes/.gitkeep
similarity index 100%
rename from 5min/day9/includes/.gitkeep
rename to 5min/day09/includes/.gitkeep
diff --git a/5min/day9/index.php b/5min/day09/index.php
similarity index 100%
rename from 5min/day9/index.php
rename to 5min/day09/index.php
diff --git a/5min/day9/js/.gitkeep b/5min/day09/js/.gitkeep
similarity index 100%
rename from 5min/day9/js/.gitkeep
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diff --git a/5min/day9/js/index.js b/5min/day09/js/index.js
similarity index 100%
rename from 5min/day9/js/index.js
rename to 5min/day09/js/index.js
diff --git a/5min/day12/about.php b/5min/day12/about.php
new file mode 100644
index 0000000..4338d7d
--- /dev/null
+++ b/5min/day12/about.php
@@ -0,0 +1,17 @@
+<!doctype html>
+<html lang="en">
+
+<head>
+  <title>About</title>
+  <link href="css/styles.css" type="text/css" rel="stylesheet">
+  <script src="js/index.js"></script>
+</head>
+
+<body>
+  <?php
+include_once ('nav.php');
+?>
+  <h1>Hello about world!</h1>
+</body>
+
+</html>
diff --git a/5min/day12/contact.php b/5min/day12/contact.php
new file mode 100644
index 0000000..219a711
--- /dev/null
+++ b/5min/day12/contact.php
@@ -0,0 +1,17 @@
+<!doctype html>
+<html lang="en">
+
+<head>
+  <title>Contact</title>
+  <link href="css/styles.css" type="text/css" rel="stylesheet">
+  <script src="js/index.js"></script>
+</head>
+
+<body>
+  <?php
+include_once ('nav.php');
+?>
+  <h1>Hello contact world!</h1>
+</body>
+
+</html>
diff --git a/5min/day12/css/.gitkeep b/5min/day12/css/.gitkeep
new file mode 100644
index 0000000..e69de29
diff --git a/5min/day12/css/styles.css b/5min/day12/css/styles.css
new file mode 100644
index 0000000..e69de29
diff --git a/5min/day12/home.php b/5min/day12/home.php
new file mode 100644
index 0000000..5820ece
--- /dev/null
+++ b/5min/day12/home.php
@@ -0,0 +1,17 @@
+<!doctype html>
+<html lang="en">
+
+<head>
+  <title>Home</title>
+  <link href="css/styles.css" type="text/css" rel="stylesheet">
+  <script src="js/index.js"></script>
+</head>
+
+<body>
+  <?php
+include_once ('nav.php');
+?>
+  <h1>Hello home world!</h1>
+</body>
+
+</html>
diff --git a/5min/day12/img/.gitkeep b/5min/day12/img/.gitkeep
new file mode 100644
index 0000000..e69de29
diff --git a/5min/day12/includes/.gitkeep b/5min/day12/includes/.gitkeep
new file mode 100644
index 0000000..e69de29
diff --git a/5min/day12/index.php b/5min/day12/index.php
new file mode 100644
index 0000000..4c5712d
--- /dev/null
+++ b/5min/day12/index.php
@@ -0,0 +1,17 @@
+<!doctype html>
+<html lang="en">
+
+<head>
+  <title>Dummy Title</title>
+  <link href="css/styles.css" type="text/css" rel="stylesheet">
+  <script src="js/index.js"></script>
+</head>
+
+<body>
+  <?php
+include_once ('nav.php');
+?>
+  <h1>Hello cruel world!</h1>
+</body>
+
+</html>
diff --git a/5min/day12/js/.gitkeep b/5min/day12/js/.gitkeep
new file mode 100644
index 0000000..e69de29
diff --git a/5min/day12/js/index.js b/5min/day12/js/index.js
new file mode 100644
index 0000000..e69de29
diff --git a/5min/day12/nav.php b/5min/day12/nav.php
new file mode 100644
index 0000000..345391b
--- /dev/null
+++ b/5min/day12/nav.php
@@ -0,0 +1,11 @@
+<?php
+echo '
+  <nav>
+    <ul>
+      <li><a href="home.php">Home</a></li>
+      <li><a href="about.php">About</a></li>
+      <li><a href="contact.php">Contact</a></li>
+    </ul>
+  </nav>
+';
+?>