diff --git a/wiki/pages/engineering.html b/wiki/pages/engineering.html
index 1986d54cbf56c1787f8924325dea106676ff82e1..1f49553a60a1c8dab6e2b3e476ffd8b833ca4e10 100644
--- a/wiki/pages/engineering.html
+++ b/wiki/pages/engineering.html
@@ -27,18 +27,18 @@
 
 <div id="main-des" class="row mt-4">
   <div class="col-lg-3">
-    <div style="position: sticky; top: 30%;">
+    <div style="position: sticky; top: 10%;">
       <div id="menu_box">
         <div><h2><b>Menu</b></h2></div>
-        <a href="#part1" class="engineering_main"><div>Problem Definition</div></a>
-        <a href="#part1.1"><div>&nbsp&nbsp Issues with the Probe Molecule</div></a>
-        <a href="#part1.2"><div>&nbsp&nbsp Preliminary Solution</div></a>
-        <a href="#part2" class="engineering_main"><div>Protein Engineering Design Iteration and Validation</div></a>
-        <a href="#part2.1"><div>&nbsp&nbsp Objective</div></a>
-        <a href="#part2.2"><div>&nbsp&nbsp CO-1080 and HSA Binding Analysis</div></a>
-        <a href="#part2.3"><div>&nbsp&nbsp Mutation Strategy</div></a>
-        <a href="#part2.4"><div>&nbsp&nbsp Experimental Validation</div></a>
-        <a href="#part2.5"><div>&nbsp&nbsp Optimization and Further Exploration</div></a>
+        <div class="engineering_main"><b>Problem Definition</b></div>
+        <a href="#part1.1" class="secondary"><div>&nbsp&nbsp Issues with the Probe Molecule</div></a>
+        <a href="#part1.2" class="secondary"><div>&nbsp&nbsp Preliminary Solution</div></a>
+        <div class="engineering_main"><b>Protein Engineering Design Iteration and Validation</b></div>
+        <a href="#part2.1" class="secondary"><div>&nbsp&nbsp Objective</div></a>
+        <a href="#part2.2" class="secondary"><div>&nbsp&nbsp CO-1080 and HSA Binding Analysis</div></a>
+        <a href="#part2.3" class="secondary"><div>&nbsp&nbsp Mutation Strategy</div></a>
+        <a href="#part2.4" class="secondary"><div>&nbsp&nbsp Experimental Validation</div></a>
+        <a href="#part2.5" class="secondary"><div>&nbsp&nbsp Optimization and Further Exploration</div></a>
       </div>
     </div>
   </div>