Hide footer on small devices

rain/template/footer.template.html

@@ -1,4 +1,4 @@
-    <footer class="page-footer purple lighten-2" style="position: absolute; bottom: 0; width: 100%">
+    <footer class="page-footer purple lighten-2 hide-on-small-and-down" style="position: absolute; bottom: 0; width: 100%">
         <div class="container">
             <div class="row">
                 <div class="col l6 s12">