diff --git a/theme/base/css/display.css b/theme/base/css/display.css
index 9072d75ffd..289329bbc9 100644
--- a/theme/base/css/display.css
+++ b/theme/base/css/display.css
@@ -968,7 +968,8 @@ list-style-type:none;
 float:left;
 margin-left:7px;
 padding-left:7px;
-border-left:1px solid #ddd;
+border-left-width:1px;
+border-left-style:solid;
 }
 #filter_tags ul li.child_1 {
 margin-left:0;
diff --git a/theme/default/css/display.css b/theme/default/css/display.css
index fc52e9525f..fb25d32d06 100644
--- a/theme/default/css/display.css
+++ b/theme/default/css/display.css
@@ -30,6 +30,9 @@ input, textarea, select,
 .entity_remote_subscribe {
 border-color:#aaa;
 }
+#filter_tags ul li {
+border-color:#97BFD1;
+}
 
 
 input.submit,
diff --git a/theme/identica/css/display.css b/theme/identica/css/display.css
index a307ea2901..19beb1f90b 100644
--- a/theme/identica/css/display.css
+++ b/theme/identica/css/display.css
@@ -30,6 +30,9 @@ input, textarea, select,
 .entity_remote_subscribe {
 border-color:#aaa;
 }
+#filter_tags ul li {
+border-color:#ddd;
+}
 
 
 input.submit,