WordPress/wp-admin/css/widgets-rtl.dev.css

#widget-list .widget,
#wp_inactive_widgets .widget {
	float: right;
}
ul#widget-list li.widget-list-item div.widget-description {
	margin: 0 200px 0 0;
	padding: 0 4em 0 0;
}
.widget-control-save,
.widget-control-remove {
	margin-right: 0;
	margin-left: 8px;
	float: right;
}