Update engineering.html

wiki/pages/engineering.html

@@ -3,7 +3,7 @@
     .sidebar {
       position: fixed;
       left: 0;
-      top: 200px;
+      top: 230px;
       width: 160px;
       height: 40%;
       background-color: #ffffff	;
@@ -23,6 +23,7 @@
     }
     .sidebar ul li a:hover {
       background-color: #e9ecef;
+      border-radius: 20px;
     }
     h2 {
       scroll-margin-top: 60px;