diff --git a/wp-admin/css/colors-classic.dev.css b/wp-admin/css/colors-classic.dev.css
index a8f14933e8..c7e9fd8704 100644
--- a/wp-admin/css/colors-classic.dev.css
+++ b/wp-admin/css/colors-classic.dev.css
@@ -615,8 +615,8 @@ tr.inactive + tr.plugin-update-tr .plugin-update {
 	color: #000;
 }
 
-.plugins .inactive a { 
-	color: #557799; 	
+.plugins .inactive a {
+	color: #557799;
 }
 
 #the-comment-list .unapproved,
diff --git a/wp-admin/css/colors-fresh.dev.css b/wp-admin/css/colors-fresh.dev.css
index 6633010017..574527bb49 100644
--- a/wp-admin/css/colors-fresh.dev.css
+++ b/wp-admin/css/colors-fresh.dev.css
@@ -610,8 +610,8 @@ tr.inactive + tr.plugin-update-tr .plugin-update {
 	color: #000;
 }
 
-.plugins .inactive a { 
-	color: #557799; 	
+.plugins .inactive a {
+	color: #557799;
 }
 
 #the-comment-list .unapproved,
diff --git a/wp-admin/css/press-this.dev.css b/wp-admin/css/press-this.dev.css
index 2b453567ec..9db71c8fd3 100644
--- a/wp-admin/css/press-this.dev.css
+++ b/wp-admin/css/press-this.dev.css
@@ -203,8 +203,8 @@ h3.tb {
 #extra_fields .button {
 	margin-right: 5px;
 	padding: 3px 6px;
-	border-radius: 10px; 
-	-webkit-border-radius: 10px; 
+	border-radius: 10px;
+	-webkit-border-radius: 10px;
 	-khtml-border-radius: 10px;
 	-moz-border-radius: 10px;
 }
diff --git a/wp-admin/wp-admin.dev.css b/wp-admin/wp-admin.dev.css
index 5fd5e513de..2b7462c195 100644
--- a/wp-admin/wp-admin.dev.css
+++ b/wp-admin/wp-admin.dev.css
@@ -59,7 +59,7 @@ select option {
 	list-style-type: disc;
 }
 
-.plugins .action-links { 
+.plugins .action-links {
 	white-space: nowrap;
 }
 
@@ -2047,7 +2047,7 @@ ul.categorychecklist li {
 
 #categorydiv .tabs-panel {
 	border-width: 3px;
-	border-style: solid; 
+	border-style: solid;
 }
 
 ul#category-tabs {