diff --git a/theme/base/style/core.css b/theme/base/style/core.css
index ae156e8bcd3..62a5bfe860d 100644
--- a/theme/base/style/core.css
+++ b/theme/base/style/core.css
@@ -592,7 +592,7 @@ body.tag .managelink {padding: 5px;}
 #custommenu .yui3-menuitem-active .yui3-menuitem-content,
 #custommenu .yui3-menu-horizontal .yui3-menu-label,
 #custommenu .yui3-menu-horizontal .yui3-menu-content {background-image:none;background-position:right center;background-repeat:no-repeat;}
-#custommenu .yui3-menu-label, 
+#custommenu .yui3-menu-label,
 #custommenu .yui3-menu .yui3-menu .yui3-menu-label {background-image:url([[pix:theme|vertical-menu-submenu-indicator]]);}
 #custommenu .yui3-menu .yui3-menu .yui3-menu-label-menuvisible {background-image:url([[pix:theme|horizontal-menu-submenu-indicator]]);}
 
@@ -809,4 +809,4 @@ ul li,
 .course-content ul.topics .content .summary ul li {list-style: disc outside none;}
 ol li,
 .course-content ul.weeks .content .summary ol li,
-.course-content ul.topics .content .summary ol li {list-style: decimal outside none;}
\ No newline at end of file
+.course-content ul.topics .content .summary ol li {list-style: decimal outside none;}
diff --git a/theme/binarius/style/core.css b/theme/binarius/style/core.css
index d6299eaf913..1f175eca665 100644
--- a/theme/binarius/style/core.css
+++ b/theme/binarius/style/core.css
@@ -276,7 +276,7 @@ body.has_dock {
 #custommenu .yui3-menu-horizontal.javascript-disabled .yui3-menu-content ul,
 #custommenu .yui3-menu-horizontal.javascript-disabled .yui3-menu-content li li:hover > a,
 #custommenu .yui3-menu-horizontal .yui3-menu-label,
-#custommenu .yui3-menuitem, 
+#custommenu .yui3-menuitem,
 #custommenu .yui3-menuitem .yui3-menuitem-content {
     border-width: 0;
 }
@@ -320,4 +320,4 @@ body.has_dock {
 }
 
 .pagelayout-redirect #content p,
-.pagelayout-redirect #content div {color:#FFF;}
\ No newline at end of file
+.pagelayout-redirect #content div {color:#FFF;}
diff --git a/theme/formfactor/style/core.css b/theme/formfactor/style/core.css
index c58c413d82a..da7ca5de97c 100644
--- a/theme/formfactor/style/core.css
+++ b/theme/formfactor/style/core.css
@@ -59,8 +59,8 @@ body,h1,h2,h3,h4,h5,h6,p,ul,ol,dl,input,textarea { font-family: "Trebuchet MS",
     margin:0 50px;
 }
 
-#custommenu, 
-#custommenu .yui3-menu, 
+#custommenu,
+#custommenu .yui3-menu,
 #custommenu .yui3-menu-content {
     border-width:0;
 }
diff --git a/theme/leatherbound/style/core.css b/theme/leatherbound/style/core.css
index 80263d58370..672d82467ae 100644
--- a/theme/leatherbound/style/core.css
+++ b/theme/leatherbound/style/core.css
@@ -306,26 +306,26 @@ h2.headingblock {
 }
 
 /*YUI Reset */
-#custommenu .yui3-menu-label, 
+#custommenu .yui3-menu-label,
 #custommenu .yui3-menuitem-content {
     color: #35251B;
     font-weight: 400;
     border-width: 0;
 }
 
-#custommenu .custom_menu_submenu .yui3-menu-label, 
+#custommenu .custom_menu_submenu .yui3-menu-label,
 #custommenu .custom_menu_submenu .yui3-menuitem-content {
     color: #35251B;
 }
 
-#custommenu .yui3-menu-label.yui3-menu-label-active, 
+#custommenu .yui3-menu-label.yui3-menu-label-active,
 #custommenu .yui3-menuitem-active .yui3-menuitem-content {
     color: #DA5013;
 }
 
-#custommenu .yui3-menu-content, 
-#custommenu .yui3-menu .yui3-menu .yui3-menu-content, 
-#custommenu .yui3-menu-horizontal .yui3-menu-label, 
+#custommenu .yui3-menu-content,
+#custommenu .yui3-menu .yui3-menu .yui3-menu-content,
+#custommenu .yui3-menu-horizontal .yui3-menu-label,
 #custommenu .yui3-menu-horizontal .yui3-menuitem-content  {
     border-width: 0;
 }
@@ -350,4 +350,4 @@ h2.headingblock {
 #custommenu .yui3-menu.javascript-disabled .yui3-menu-content,
 #custommenu .yui3-menu.javascript-disabled .yui3-menu-content .ul {
     border-width:0;
-}
\ No newline at end of file
+}
diff --git a/theme/nimble/style/menu.css b/theme/nimble/style/menu.css
index 4a450c99def..e76ed12a609 100644
--- a/theme/nimble/style/menu.css
+++ b/theme/nimble/style/menu.css
@@ -16,7 +16,7 @@
     padding: 0 20px;
 }
 
-#custommenu .yui3-menu-label, 
+#custommenu .yui3-menu-label,
 #custommenu .yui3-menuitem-content {
     border: 1px solid #555;
     border-bottom-width: 0;
@@ -27,7 +27,7 @@
     -webkit-border-radius: 10px 10px 0 0;
 }
 
-#custommenu .yui3-menu .yui3-menu .yui3-menu-label, 
+#custommenu .yui3-menu .yui3-menu .yui3-menu-label,
 #custommenu .yui3-menu .yui3-menu .yui3-menuitem-content {
     margin-right:0;
     border-width:0;
@@ -58,7 +58,7 @@
     padding:3px 20px 4px;
 }
 
-#custommenu .yui3-menu-horizontal.javascript-disabled .yui3-menu-content, 
+#custommenu .yui3-menu-horizontal.javascript-disabled .yui3-menu-content,
 #custommenu .yui3-menu-horizontal.javascript-disabled .yui3-menu-content .ul {
     border-width:0;
-}
\ No newline at end of file
+}
diff --git a/theme/nonzero/style/core.css b/theme/nonzero/style/core.css
index df6b2913bfb..fa3b2e1c456 100644
--- a/theme/nonzero/style/core.css
+++ b/theme/nonzero/style/core.css
@@ -190,13 +190,13 @@ a:active {
     text-shadow: none;
 }
 
-#custommenu .yui3-menu-label-active, 
+#custommenu .yui3-menu-label-active,
 #custommenu .yui3-menuitem-active .yui3-menuitem-content {
     color: #ccc;
 }
 
-#custommenu .yui3-menu-content, 
-#custommenu .yui3-menu-label, 
+#custommenu .yui3-menu-content,
+#custommenu .yui3-menu-label,
 #custommenu .yui3-menuitem-content  {
     border-width: 0;
 }
diff --git a/theme/sky_high/style/menu.css b/theme/sky_high/style/menu.css
index 4d8337c3340..b3a4ff66a47 100644
--- a/theme/sky_high/style/menu.css
+++ b/theme/sky_high/style/menu.css
@@ -2,7 +2,7 @@
 #custommenu .yui3-menu-content,
 #custommenu .yui3-menu-label,
 #custommenu .yui3-menuitem-content {
-	border-width: 0;
+    border-width: 0;
 }
 
 #custommenu .yui3-menu ul{
@@ -27,11 +27,11 @@
 }
 
 #custommenu ul.first-of-type li a {
-	border-top-width: 0;
-	border-bottom-width: 0;
+    border-top-width: 0;
+    border-bottom-width: 0;
 }
 
 #custommenu ul.first-of-type li a:hover {
 	color: #003466;
 
-}
\ No newline at end of file
+}
diff --git a/theme/splash/style/sl.css b/theme/splash/style/sl.css
index 90836de20ab..eadc4ff8634 100644
--- a/theme/splash/style/sl.css
+++ b/theme/splash/style/sl.css
@@ -286,7 +286,7 @@ a:active {
     text-decoration:none;
 }
 
-#custommenu .yui3-menu-label-active, 
+#custommenu .yui3-menu-label-active,
 #custommenu .yui3-menu-label-menuvisible,
 #custommenu .yui3-menuitem-active .yui3-menuitem-content {
     text-decoration:underline;
@@ -316,7 +316,7 @@ a:active {
     border-width:0;
 }
 
-#custommenu .yui3-menu-label-active, 
+#custommenu .yui3-menu-label-active,
 #custommenu .yui3-menu-label-menuvisible,
 #custommenu .yui3-menuitem-active .yui3-menuitem-content {
     background-color: #605f5f;
@@ -624,4 +624,4 @@ ul.topics li#section-0, ul.weeks li#section-0 {
 
 /* Splash Theme Specific settings for Administrators to customise css.
 ---------------------------*/
-[[setting:customcss]]
\ No newline at end of file
+[[setting:customcss]]