Add vertical space to home page button

Author: jleung51

index.html

@@ -48,7 +48,7 @@
     <img class="img-fluid mountains-img" src="res/img/mountains.jpg"></img>
 
     <div class="center">
-      <p class="coming-soon-text">
+      <p class="coming-soon-text py-4">
         READY FOR CASEIT?
       </p>
       <a href="https://caseit-sfu.typeform.com/to/fchOxJ" type="button" class="btn btn-outline-light btn-lg">