diff --git a/app/assets/stylesheets/graders.css.scss b/app/assets/stylesheets/graders.css.scss
--- a/app/assets/stylesheets/graders.css.scss
+++ b/app/assets/stylesheets/graders.css.scss
@@ -0,0 +1,18 @@
+table.graders tr {
+  &.active {
+    border: 1px solid black;
+    background: lightgreen;
+    text-align: center;
+  }
+
+  &.inactive {
+    border: 1px solid black;
+    background: #ffcccc;
+    text-align: center;
+  }
+}
+
+.submitbox .item {
+  padding-right: 5px;
+  float: left;
+}