diff --git a/class.schedule.php b/class.schedule.php
--- a/class.schedule.php
+++ b/class.schedule.php
@@ -337,7 +337,7 @@ class Schedule
 
     /* edit button */
     if ($id = $this->id_get())
-      echo '<form method="get" action="input.php"><p><input type="hidden" name="s" value="' . $id . '" /><input type="submit" value="edit" /></p></form>';
+      echo '<form method="get" action="input.php"><p><input type="hidden" name="s" value="' . $id . '" /><input class="gray" type="submit" value="edit" /></p></form>';
 
     echo "<p>There were a total of " . $this->possiblePermutations . " possible permutations. Only " . $this->nPermutations . " permutations had no class conflicts.</p>";