Add margin bottom to the join us button in engineering team page (#1594)

engineering-team/index.html

@@ -59,7 +59,7 @@ <h1 class="text-roboto text-capitalize pb-2">SEF Engineering Team</h1>
                     </div>
                 </div>
             </div>
-            <div class="col-md-6 height-500 mt-2">
+            <div class="col-md-6 height-500 mt-4">
                 <img src="../assets/img/engineering-page-hero-image.png" class="img-fluid align-self-center w-100">
             </div>
         </div>