Type face not appearing in mobile display

I fixed the format.
You can add code by starting with three back tics followed by the kind of code you’re writing.
start a new line and add your code.
after you’re done hit return and add three more back tics.

```php
your code
```

Here’s a forum topic with a link to a guide on formatting text: Formatting text in the new forum

But to your code. You’ve got it in the wrong place. As I wrote earlier, it needs to be in the USER section of the phplugins file.
You’ve removed all the hook definitions, I guess in an attempt to make the file size smaller, but in doing so, you’ve removed the line that states:
// SET USER FUNCTIONS BELOW

Place the function you’re trying to add in the same area with the rest of your functions. (where you start with a breadcrumbs function.