diff --git a/wiki/pages/directed-evolution.html b/wiki/pages/directed-evolution.html
index e0636f2e6e9d37cafc635ed30e379d4dc6e93c07..8cbcabd790f8d4174c1c6e5f512e620593f4b4f3 100644
--- a/wiki/pages/directed-evolution.html
+++ b/wiki/pages/directed-evolution.html
@@ -87,13 +87,16 @@
                             </li>
                             <li class="menu-item menu-item-has-children"><a href="#">HP</a>
                                 <ul class="sub-menu">
+                                    <li><a href="{{ url_for('pages', page = 'background') }}">Human Practices</a></li>
                                     <li><a href="{{ url_for('pages', page = 'human-practices') }}" style="line-height: 150%">Integrated Human Practices</a></li>
                                     <li><a href="{{ url_for('pages', page = 'education') }}">Education</a></li>
+                                    <li><a href="{{ url_for('pages', page = 'sustainable') }}">Sustainability</a></li>
                                     <li><a href="{{ url_for('pages', page = 'inclusivity') }}">Inclusivity</a></li>
                                 </ul>
                             </li>
                             <li class="menu-item menu-item-has-children"><a href="#">Entrepreneurship</a>
                                 <ul class="sub-menu">
+                                    <li><a href="{{ url_for('pages', page = 'entrepreneurship') }}">Overview</a></li>
                                     <li><a href="{{ url_for('pages', page = 'vcl-workshops') }}">EPIC VCL workshops</a></li>
                                     <li><a href="{{ url_for('pages', page = 'summer-bootcamp') }}">Summer bootcamp</a></li>
                                     <li><a href="{{ url_for('pages', page = 'demo-day') }}">EPIC demo day</a></li>
@@ -111,12 +114,6 @@
                             <li class="menu-item menu-item-has-children"><a href="#">Awards</a>
                                 <ul class="sub-menu">
                                     <li><a href="{{ url_for('pages', page = 'judging') }}">Judging</a></li>
-                                    <li><a href="{{ url_for('pages', page = 'education') }}">Education</a></li>
-                                    <li><a href="{{ url_for('pages', page = 'inclusivity') }}">Inclusivity</a></li>
-                                    <li><a href="{{ url_for('pages', page = 'human-practices') }}" style="line-height: 150%">Integrated Human Practices</a></li>
-                                    <li><a href="{{ url_for('pages', page = 'entrepreneurship') }}">Entrepreneurship</a></li>
-                                    <li><a href="{{ url_for('pages', page = 'sustainable') }}">Sustainable</a></li>
-                                    <li><a href="{{ url_for('pages', page = 'model') }}">Model</a></li>
                                 </ul>
                             </li>
                         </ul>
@@ -173,7 +170,7 @@
                     <article class="saastrace-single-blog-post" id="Design">
                         <div class="single-news-post-wrapper">
                             <div class="single-news-post-content">
-                                <h3><a>Design</a></h3>
+                                <h2><a>Design</a></h2>
                                 <div class="blog-post-news-description">
                                     <p>The general tryptophan repressor (TrpR) is not specific, and we wanted to obtain mutant that could stably suppress tryptophan (Trp) expression. Therefore, we apply the compartmentalized partnered replication (CPR) to perform positive and negative selection. Each one positive or negative selection is called a cycle (Figure 1).</p><br>
                                     <img src="https://static.igem.wiki/teams/4425/wiki/evolution1.png" alt="Blog One" style="width: 100%">
@@ -198,7 +195,7 @@
                     <article class="saastrace-single-blog-post" id="Model-Positive Selection">
                         <div class="single-news-post-wrapper">
                             <div class="single-news-post-content">
-                                <h3><a>Model-Positive Selection</a></h3>
+                                <h2><a>Model-Positive Selection</a></h2>
                                 <div class="blog-post-news-description">
                                     <h6><a>Reaction I \(TrpR2\) Synthesis </a></h6>
                                     <p>The synthesis of tryptophan repressor is divided into three steps: transcription, translation and dimerization.
@@ -272,7 +269,7 @@
                     <article class="saastrace-single-blog-post" id="Model-Negative Selection">
                         <div class="single-news-post-wrapper">
                             <div class="single-news-post-content">
-                                <h3><a>Model-Negative Selection</a></h3>
+                                <h2><a>Model-Negative Selection</a></h2>
                                 <div class="blog-post-news-description">
                                     <p>The negative cycle is essentially the same as the positive cycle, the difference being that the substrate in the reaction environment is changed from tryptophan to bromotryptophan. Therefore, the only difference from the equation of the positive cycle is the replacement of Trp with Br-Trp. All reaction equations are as follows：</p>
                                     <h6><a>Reaction I \(TrpR^2\) Synthesis </a></h6><br>
@@ -322,7 +319,7 @@
                     <article class="saastrace-single-blog-post" id="Outcome" >
                         <div class="single-news-post-wrapper">
                             <div class="single-news-post-content">
-                                <h3><a>Outcome</a></h3>
+                                <h2><a>Outcome</a></h2>
                                 <div class="blog-post-news-description">
                                     <p>We employed ordinary differential equation to model the transcription and translation dynamics of CPR selection process, containing both positive and negative selection. We used the ODE solver“deSolve”in R to simulate our selection system.
                                     </p><br>
@@ -343,7 +340,7 @@
                     <article class="saastrace-single-blog-post" id="Parameters" >
                         <div class="single-news-post-wrapper">
                             <div class="single-news-post-content">
-                                <h3><a>Parameters</a></h3>
+                                <h2><a>Parameters</a></h2>
                                 <img src="https://static.igem.wiki/teams/4425/wiki/evolution5-1.png" alt="Blog One" style="width: 100%">
                                 <img src="https://static.igem.wiki/teams/4425/wiki/evolution6.png" alt="Blog One" style="width: 100%">
                                 <img src="https://static.igem.wiki/teams/4425/wiki/evolution7-1.png" alt="Blog One" style="width: 100%">
@@ -416,4 +413,4 @@
 
 </body>
 
-</html>
\ No newline at end of file
+</html>