Copied from comments, so the question will indicate an answer has been provided:
Found your key symptom. Inspecting your Impressum page with Chrome indicates loads of 404 errors. For example: http://darius-mann.com/smardigo/impressum/costum/hexagon/hexagon.js not found. If I remove the “impressum/” the file opens correctly.
However your theme is building your reference URLs, it is including the current page URL, not just the site URL. You might reference this WPBeginner article for the best way to reference CSS and JS files from your theme or plugin
Related Posts:
- Where are Additional CSS files stored
- How to include own css on wordpress tinymce editor?
- How to disable page delete
- get_pages() not ordering as it should
- How to customize the default HTML for WordPress Attachments
- Is it possible to change the attributes of a registered style or script before it fires?
- Editing the Number at the end of Page URLs / Editing Page Slugs
- FireFox Inspector :: find CSS file related to
- Pagination Help on Crazy Custom Authors Page
- Custom CSS for full post vs. excerpt (Content Options)
- Create subpage /user/ or /my-profile/ like /author/ with additional query like /user/user123
- Hide page title in WordPress 3.0
- Selecting An image from the Media LIbrary on the frontend
- Custom protected password page with ACF
- Page load requires a trailing “/” [closed]
- Virtual Pages plugins
- Programmatically add a custom page/path/url/route to WordPress
- What is the most idiomatic way to let clients edit phrases in HTML?
- How to get WordPress to accept the tag in articles (or other alternatives)
- How to merge all my pages into one, while keeping a menu bar?
- How to change URL Custom Page?
- redirect product-category to a custom page
- How to remove padding and margin between divi rows? [closed]
- custom headers for static home page and posts page
- What will happen to the additional CSS when the theme is updated?
- How to display post title & excerpt when mouse hovers on an image?
- Include user defined styles without including wp-load
- Cannot figure out how to center div in WordPress theme [closed]
- Customizing default Mediaelement player
- how can I change the background color of all posts on my server?
- Show posts on a page based on a category and tag(s)
- CSS to remove “comments count” icon from main page [closed]
- Split Conference WordPress Page in different years
- how to add custom css and js on wordpress post editor directly without using .php file
- TwentyFifteen: How can it show a different color on every post page?
- Add google org chart to wordpress page
- Adding code to child’s theme css and php cannot override certain elements
- How to get custom page template being edited in gutenberg editor
- Is it possible to add a ribbon in the background of h1 on every page?
- Resizing of a header/div in a website through css in wordpress [closed]
- Control Content On Non-Blog Pages
- custom meta box for page default template
- Best practice – pages – ACF or inline coding
- Child Theme with multiple css files
- How to hook up search results page to a back-end page?
- How to structure model showcase
- CSS Customizations for certain page
- Custom CSS at Appearance > Edit CSS is missing after update [closed]
- How to customize
- Add a searchbox to the body of a page
- CSS Styling a specific page
- How to remove footer from just homepage
- Why the css in twenteenfourteen-child theme take no effect?
- Create page as a file in my theme?
- How to format text of site subtitle
- Featured Image If Else Condition
- how to add custom logo to my template
- WordPress noob, assign custom stylesheet using @import or if? Didn’t work for me
- str_replace inside specific css files [closed]
- Insert menu with a custom walker into page / post body using shortcode?
- Good way to customize admin CSS?
- How to create “custom page types” with different custom fields in them?
- css media query question [closed]
- How to customize the WordPress 2014 theme, to have page using less horizontal margin?
- How to create custom search page
- Creating php pages in wordpress and assigning them to wordpress pages
- Remove header title form page through CSS [closed]
- How to display page ids as page slug names?
- How to create custom layouts and static pages in themes for clients
- Centering one product on a single page [closed]
- How to make the Pages in WordPress Customized?
- Creating custom page template
- How To Style Links in Content Area With Tag Automatically?
- Change Site Logo or Menu Logo Per Page
- change top banner content on specific page
- How to add page content into another page
- Inline-Table under TwentyTwelve not working
- custom css and javascript not working on page defined as template?
- Display a specified content on a Page and all its child pages
- WordPress menu: How to make www.link.com/#name never contain current_page_item class?
- How to add Custom Css within the Editor?
- Will WordPress updates remove Gutenberg Additional Classes?
- Custom CSS Nav Menu Style Not Being Applied
- custom email validation using javascript api with elementor pro and code snippets
- Use a custom page with dynamic content as a user profile page
- Style WooCommerce Product Search Widget
- why won’t my custom css load with the enqueue method or any other method?
- I want to embed mystream video in my wordpress site
- Use Theme CSS in custom code
- Swap home page based on user role, Elementor layout breaking
- How can I style the Comment Section of a blog post
- Taxonomy template is not reading
- Hide entry-header for a specific category
- New Page/Post Screen Opens an Existing Post
- How do I make elements in mobile only reverse order?
- How to style bootstrap container in WordPress?
- How to use standalone Gutenberg (block editor) instance on any my own admin page in WordPress
- Custom jQuery code in Elementor page is not working on Mac os. On Windows browser work fine
- Block Theme: How to use a different template on front page vs paginated pages?
- Newbie question – which css file to edit