diff --git a/themes/original/css/common.css.php b/themes/original/css/common.css.php
index d74c764196..7999708bd8 100644
--- a/themes/original/css/common.css.php
+++ b/themes/original/css/common.css.php
@@ -251,14 +251,14 @@ fieldset .formelement {
     fieldset .formelement {
         clear: none;
     }
-    .relationalTable td:first-child + td {
+    #foreign_keys.relationalTable td:first-child + td {
         width: 25%;
     }
-    .relationalTable td:first-child + td select {
+    #foreign_keys.relationalTable td:first-child + td select {
         width: 32%;
         margin-right: 1%;
     }
-    .relationalTable {
+    #foreign_keys.relationalTable {
         width: 100%;
     }
 
diff --git a/themes/pmahomme/css/common.css.php b/themes/pmahomme/css/common.css.php
index 0749fe27e4..b8ee12ea7a 100644
--- a/themes/pmahomme/css/common.css.php
+++ b/themes/pmahomme/css/common.css.php
@@ -531,14 +531,14 @@ fieldset .formelement {
     fieldset .formelement {
         clear: none;
     }
-    .relationalTable td:first-child + td {
+    #foreign_keys.relationalTable td:first-child + td {
         width: 25%;
     }
-    .relationalTable td:first-child + td select {
+    #foreign_keys.relationalTable td:first-child + td select {
         width: 32%;
         margin-right: 1%;
     }
-    .relationalTable {
+    #foreign_keys.relationalTable {
         width: 100%;
     }