diff --git a/mod/assign/styles.css b/mod/assign/styles.css
index fd11bd988cb..334f76231c1 100644
--- a/mod/assign/styles.css
+++ b/mod/assign/styles.css
@@ -248,3 +248,9 @@ td.submissioneditable {
 #page-mod-assign-view .submissionaction {
     text-align: center;
 }
+
+
+#page-mod-assign-view .submissionsummarytable .c0,
+#page-mod-assign-view .mod-assign-history-panel .c0 {
+    width: 150px;
+}