Merge pull request #1830 from ampproject/fix/menu-croll-down-pointer-…

…cursor

Restore cursor:pointer for menu-scroll-down in Twenty Seventeen

includes/sanitizers/class-amp-core-theme-sanitizer.php

@@ -687,6 +687,11 @@ public static function add_twentyseventeen_masthead_styles() {
 					display: none;
 				}
 
+				/* This is needed by add_smooth_scrolling because it removes the [href] attribute. */
+				.menu-scroll-down {
+					cursor: pointer;
+				}
+
 				<?php if ( $is_front_page_layout && ! has_custom_header() ) : ?>
 					/* https://github.com/WordPress/wordpress-develop/blob/fd5ba80c5c3d9cf62348567073945e246285fbca/src/wp-content/themes/twentyseventeen/assets/js/global.js#L92-L94 */
 					.site-branding {