diff --git a/public/stylesheets/application.css b/public/stylesheets/application.css
--- a/public/stylesheets/application.css
+++ b/public/stylesheets/application.css
@@ -277,3 +277,13 @@
     -moz-border-radius: 2px;
     -webkit-border-radius: 5px;
     border-radius: 5px; }
+
+table.codejom-problems th {
+  background: #000070;
+  color: white; }
+table.codejom-problems td {
+  width: 200px;
+  vertical-align: top;
+  text-align: center; }
+  table.codejom-problems td.random-button {
+    background: lightgrey; }