diff --git a/templates/themes/clear-blue/base.css b/templates/themes/clear-blue/base.css
index 01af330..2c9e8fc 100644
--- a/templates/themes/clear-blue/base.css
+++ b/templates/themes/clear-blue/base.css
@@ -101,7 +101,6 @@ table {
   width: 100%;
   margin: 2px 0px;
 }
-
 td, th {
   border: 1px solid #dddddd;
   text-align: left;
@@ -109,8 +108,39 @@ td, th {
 }
 
 tr:nth-child(even) {
-  background-color: #dddddd;
+  background-color: #eeeeee;
 }
+
+table.diff 
+{
+  font-family:Courier;
+  border:medium; 
+}
+.diff_header
+{
+  background-color:#e0e0e0
+}
+td.diff_header
+{
+  text-align:right
+}
+.diff_next
+{
+  background-color:#c0c0c0
+}
+.diff_add
+{
+  background-color:#aaffaa
+}
+.diff_chg
+{
+  background-color:#ffff77
+}
+.diff_sub
+{
+  background-color:#ffaaaa
+}
+
 /*
 * Forms
 */
diff --git a/templates/themes/clear-digits/base.css b/templates/themes/clear-digits/base.css
index 4f348e8..4ff65f0 100644
--- a/templates/themes/clear-digits/base.css
+++ b/templates/themes/clear-digits/base.css
@@ -101,7 +101,6 @@ table {
   width: 100%;
   margin: 2px 0px;
 }
-
 td, th {
   border: 1px solid #dddddd;
   text-align: left;
@@ -109,8 +108,39 @@ td, th {
 }
 
 tr:nth-child(even) {
-  background-color: #dddddd;
+  background-color: #eeeeee;
 }
+
+table.diff 
+{
+  font-family:Courier;
+  border:medium; 
+}
+.diff_header
+{
+  background-color:#e0e0e0
+}
+td.diff_header
+{
+  text-align:right
+}
+.diff_next
+{
+  background-color:#c0c0c0
+}
+.diff_add
+{
+  background-color:#aaffaa
+}
+.diff_chg
+{
+  background-color:#ffff77
+}
+.diff_sub
+{
+  background-color:#ffaaaa
+}
+
 /*
 * Forms
 */
diff --git a/templates/themes/clear-green/base.css b/templates/themes/clear-green/base.css
index 6c40891..67228ea 100644
--- a/templates/themes/clear-green/base.css
+++ b/templates/themes/clear-green/base.css
@@ -101,7 +101,6 @@ table {
   width: 100%;
   margin: 2px 0px;
 }
-
 td, th {
   border: 1px solid #dddddd;
   text-align: left;
@@ -109,8 +108,39 @@ td, th {
 }
 
 tr:nth-child(even) {
-  background-color: #dddddd;
+  background-color: #eeeeee;
 }
+
+table.diff 
+{
+  font-family:Courier;
+  border:medium; 
+}
+.diff_header
+{
+  background-color:#e0e0e0
+}
+td.diff_header
+{
+  text-align:right
+}
+.diff_next
+{
+  background-color:#c0c0c0
+}
+.diff_add
+{
+  background-color:#aaffaa
+}
+.diff_chg
+{
+  background-color:#ffff77
+}
+.diff_sub
+{
+  background-color:#ffaaaa
+}
+
 /*
 * Forms
 */
diff --git a/templates/themes/clear-red/base.css b/templates/themes/clear-red/base.css
index 3eda96d..8239a33 100644
--- a/templates/themes/clear-red/base.css
+++ b/templates/themes/clear-red/base.css
@@ -101,7 +101,6 @@ table {
   width: 100%;
   margin: 2px 0px;
 }
-
 td, th {
   border: 1px solid #dddddd;
   text-align: left;
@@ -109,8 +108,39 @@ td, th {
 }
 
 tr:nth-child(even) {
-  background-color: #dddddd;
+  background-color: #eeeeee;
 }
+
+table.diff 
+{
+  font-family:Courier;
+  border:medium; 
+}
+.diff_header
+{
+  background-color:#e0e0e0
+}
+td.diff_header
+{
+  text-align:right
+}
+.diff_next
+{
+  background-color:#c0c0c0
+}
+.diff_add
+{
+  background-color:#aaffaa
+}
+.diff_chg
+{
+  background-color:#ffff77
+}
+.diff_sub
+{
+  background-color:#ffaaaa
+}
+
 /*
 * Forms
 */