diff --git a/theme/base/css/display.css b/theme/base/css/display.css
index 3595d6aa3e..49907058e3 100644
--- a/theme/base/css/display.css
+++ b/theme/base/css/display.css
@@ -303,6 +303,9 @@ padding:4px 11px;
 -moz-border-radius-topright:4px;
 -webkit-border-top-left-radius:4px;
 -webkit-border-top-right-radius:4px;
+border-width:1px;
+border-style:solid;
+border-bottom:0;
 font-weight:bold;
 }
 #site_nav_local_views .nav {
@@ -392,6 +395,8 @@ border-radius:7px;
 -moz-border-radius-topleft:0;
 -webkit-border-radius:7px;
 -webkit-border-top-left-radius:0;
+border-width:1px;
+border-style:solid;
 }
 #shownotice #content {
 min-height:0;
@@ -407,11 +412,13 @@ float:left;
 width:27.917%;
 min-height:259px;
 float:left;
-margin-left:0.7%;
+margin-left:0.5%;
 padding:1.795%;
 border-radius:7px;
 -moz-border-radius:7px;
 -webkit-border-radius:7px;
+border-width:1px;
+border-style:solid;
 }
 
 #form_notice {
diff --git a/theme/default/css/display.css b/theme/default/css/display.css
index 1ad823a5cd..f0d6dace8c 100644
--- a/theme/default/css/display.css
+++ b/theme/default/css/display.css
@@ -108,7 +108,7 @@ box-shadow:5px 7px 7px rgba(194, 194, 194, 0.3);
 #content,
 #site_nav_local_views a,
 #aside_primary {
-border-color:#FFFFFF;
+border-color:transparent;
 }
 #content,
 #site_nav_local_views .current a {
diff --git a/theme/identica/css/display.css b/theme/identica/css/display.css
index bc7ac80fbb..25a01abe0b 100644
--- a/theme/identica/css/display.css
+++ b/theme/identica/css/display.css
@@ -108,7 +108,7 @@ box-shadow:5px 7px 7px rgba(194, 194, 194, 0.3);
 #content,
 #site_nav_local_views a,
 #aside_primary {
-border-color:#FFFFFF;
+border-color:transparent;
 }
 #content,
 #site_nav_local_views .current a {