diff --git a/src/wp-admin/css/wp-admin.css b/src/wp-admin/css/wp-admin.css
index d84d778061..6b356f7260 100644
--- a/src/wp-admin/css/wp-admin.css
+++ b/src/wp-admin/css/wp-admin.css
@@ -10289,9 +10289,7 @@ div#widgets-right .widgets-holder-wrap {
 div#widgets-right .widget {
 	margin: 0 auto;
 	border: 1px solid #dedede !important; /* ln 991 in colors-fresh.css */
-	border-bottom: none !important; /* ln 991 in colors-fresh.css */
-	margin-left: 0 !important; /* Wide format widgets are the devil */
-	width: 100% !important; /* Wide format widgets are the devil */
+	margin-bottom: -1px;
 }
 
 div#widgets-right .sidebar-description {
@@ -10311,7 +10309,6 @@ div#widgets-right .sidebar-name .sidebar-name-arrow:before {
 	top: 4px;
 }
 div#widgets-right .widget-top {
-	border-bottom: none;
 	padding: 0;
 	background: #f7f7f7;
 }
@@ -10329,11 +10326,6 @@ div#widgets-right .widget-inside {
 	border-top: 1px solid #dedede;
 }
 
-/* The last widget has some additional borders */
-div#widgets-right .widget:last-child {
-	border-bottom: 1px solid #dedede !important; /* ln 991 in colors-fresh.css */
-}
-
 div#widgets-right .widgets-sortables {
 	min-height: 42px !important; /* Inline styles */
 	padding: 0 8px;
diff --git a/src/wp-admin/js/widgets.js b/src/wp-admin/js/widgets.js
index 6beba69ebc..52f5921f35 100644
--- a/src/wp-admin/js/widgets.js
+++ b/src/wp-admin/js/widgets.js
@@ -46,7 +46,6 @@ wpWidgets = {
 
 				if ( inside.is(':hidden') ) {
 					if ( w > 250 && inside.closest('div.widgets-sortables').length ) {
-						css.width = w + 30 + 'px';
 						if ( inside.closest('div.widget-liquid-right').length )
 							css[margin] = 235 - w + 'px';
 						widget.css(css);