Index: src/wp-admin/js/press-this.js
===================================================================
--- src/wp-admin/js/press-this.js	(revision 31588)
+++ src/wp-admin/js/press-this.js	(working copy)
@@ -220,11 +220,11 @@
 			}
 
 			// Wrap suggested content in blockquote tag, if we have any.
-			content = ( content.length ? '<blockquote class="press-this-suggested-content">' + sanitizeText( content ) + '</blockquote>' : '' );
+			content = ( content.length ? '<blockquote>' + sanitizeText( content ) + '</blockquote>' : '' );
 
 			// Add a source attribution if there is one available.
 			if ( ( ( title.length && __( 'newPost' ) !== title ) || siteName.length ) && url.length ) {
-				content += '<p class="press-this-suggested-source">';
+				content += '<p>';
 				content += __( 'source' );
 				content += ' <cite>';
 				content += __( 'sourceLink').replace( '%1$s', encodeURI( url ) ).replace( '%2$s', sanitizeText( title || siteName ) );