Fix display_time

app/controllers/concerns/completions_concern.rb

@@ -8,15 +8,16 @@ module CompletionsConcern
     "0" + n.to_s
   end
 
-  def display_time(seconds)
-    if seconds > 3600
-      hours = seconds / 3600
-      return hours.to_s + ":" + display_time(seconds % 3600)
-    elsif seconds > 60
-      minutes = seconds / 60
-      return pad(minutes) + ":" + display_time(seconds % 60)
+  def display_time(time)
+    h = time / 3600
+    m = (time % 3600) / 60
+    s = (time % 3600) % 60
+    if h > 0
+      return h.to_s + ":" + pad(m) + ":" + pad(s)
+    elsif m > 0
+      return m.to_s + ":" + pad(s)
     end
-    pad(seconds)
+    s.to_s
   end
 
   def extend_completions!(contestant)

app/views/contests/show.html.slim

@@ -28,7 +28,7 @@ javascript:
       </svg>
       =< t("contests.show.copy_extension_url")
     
-.row.mb-4 style="height: calc(100vh - 320px)"
+.row.mb-4 style="height: calc(100vh - 280px)"
   .col-7.d-flex.flex-column style="height: 100%"
     .row
       .col