diff --git a/mozilla/layout/html/document/src/ua.css b/mozilla/layout/html/document/src/ua.css
index a69ec125aa8..3b56528c69c 100644
--- a/mozilla/layout/html/document/src/ua.css
+++ b/mozilla/layout/html/document/src/ua.css
@@ -109,6 +109,8 @@ TABLE {
   border-style: outset;
   border-color: #C0C0C0;
   cell-spacing: 4px;
+  margin-top: 0;
+  margin-bottom: 0;
 }
 TD, TH {
   vertical-align: middle;
diff --git a/mozilla/layout/style/ua.css b/mozilla/layout/style/ua.css
index a69ec125aa8..3b56528c69c 100644
--- a/mozilla/layout/style/ua.css
+++ b/mozilla/layout/style/ua.css
@@ -109,6 +109,8 @@ TABLE {
   border-style: outset;
   border-color: #C0C0C0;
   cell-spacing: 4px;
+  margin-top: 0;
+  margin-bottom: 0;
 }
 TD, TH {
   vertical-align: middle;