You can remove the animated spinner with the following line of CSS:
Please add this code by going to ‘Appearance’ -> ‘Customize’ -> ‘Additional CSS’ in your Admin Panel. There just paste the above code and hit ‘Publish’.
The page.php file is the template for static pages (not blog posts). If you want your breadcrumbs to be present on single blog posts, please also add the code to single.php. And if you want your breadcrumbs to be present on all pages of the website, please add the code to header.php (instead of single.php and page.php).