installed plugin Easy Digital Downloads version 3.1.0.3

wp-content/plugins/easy-digital-downloads/includes/theme-compatibility.php

@@ -0,0 +1,42 @@
+<?php
+/**
+ * Theme Compatibility
+ *
+ * Functions for compatibility with specific themes.
+ *
+ * @package     EDD
+ * @subpackage  Functions/Compatibility
+ * @copyright   Copyright (c) 2018, Easy Digital Downloads, LLC
+ * @license     http://opensource.org/licenses/gpl-2.0.php GNU Public License
+ * @since       1.4.3
+ */
+
+// Exit if accessed directly
+defined( 'ABSPATH' ) || exit;
+
+/**
+ * Remove the "download" post class from single Download pages
+ *
+ * The Responsive theme applies special styling the .download class resulting in really terrible display.
+ *
+ * @since 1.4.3
+ * @param array $classes Post classes
+ * @param string $class
+ * @param int $post_id Post ID
+ * @return array
+ */
+function edd_responsive_download_post_class( $classes = array(), $class = '', $post_id = 0 ) {
+	if (
+		! is_singular( 'download' ) &&
+		! is_post_type_archive( 'download' ) &&
+		! is_tax( 'download_category' ) &&
+		! is_tax( 'download_tag' )
+	)
+		return $classes;
+
+	if ( ( $key = array_search( 'download', $classes ) ) )
+		unset( $classes[ $key ] );
+
+	return $classes;
+}
+add_filter( 'post_class', 'edd_responsive_download_post_class', 999, 3 );