make more use of bulma variables

content/assets/stylesheets/includes/general.scss

@@ -2,10 +2,6 @@
   text-align: justify;
 }
 
-html, .footer {
-  background-color: white;
-}
-
 .hero {
   background-position: center;
   background-size: cover;

content/assets/stylesheets/includes/variables.scss

@@ -2,6 +2,9 @@
 $zeus-orange: #FF7F00;
 $zeus-blue: #00C4FF;
 
+$background: white;
+$body-background: $background;
+
 $tile-orange: #ff9f1a;
 
 $navbar-border-color: #CCC;

content/index.erb

@@ -18,7 +18,7 @@
     </div>
     <div class="tile">
       <div class="tile is-parent is-4">
-        <%= render '/partials/_tile.*', article: upcoming_events[0], small_text: "Upcoming event" %>
+        <%= render '/partials/_tile.*', article: upcoming_events[0] || all_events[-1], small_text: "Upcoming event" %>
       </div>
       <div class="tile is-parent is-4">
         <div class="tile is-child box centering">
@@ -48,9 +48,7 @@
       </div>
       <div class="tile is-vertical">
         <div class="tile is-parent">
-          <% if upcoming_events[1] %>
+          <%= render '/partials/_tile.*', article: upcoming_events[1] || all_events[-2], small_text: "Upcoming event" %>
-          <%= render '/partials/_tile.*', article: upcoming_events[1], small_text: "Upcoming event" %>
-          <% end %>
         </div>
       </div>
     </div>

layouts/default.erb

@@ -25,9 +25,6 @@
     <%= asset :js, :tipuesearch %>
     <%= asset :js, :search %>
 
-    <!-- Place this tag in your head or just before your close body tag. -->
-    <script async defer src="https://buttons.github.io/buttons.js"></script>
-
     <!-- Google Analytics -->
     <script>
     window.ga=window.ga||function(){(ga.q=ga.q||[]).push(arguments)};ga.l=+new Date;