UI : Fix up/down info

views/index.haml

@@ -20,10 +20,14 @@
                   %span.text-info
             %li.divider
             %li.has-form
-              %a.button.radius.success= "&#8593; <strong id='up-info'></strong>"
+              %a.button.radius.success
+                %i.fi-arrow-up
+                %strong#up-info
             %li.divider
             %li.has-form
-              %a.button.radius= "&#8595; <strong id='down-info'></strong>"
+              %a.button.radius
+                %i.fi-arrow-down
+                %strong#down-info
           %ul.left
             %li
               %a.button.radius.alert{href: "#"} Add