docs(debugging): don't use <details> element

README.md

@@ -501,8 +501,7 @@ You can see [more examples](examples/) including [React](examples/react) and [Vu
 
 ## Debugging
 
-<details>
- <summary>The zoomed image is not visible</summary>
+### The zoomed image is not visible
 
 The library doesn't provide a `z-index` value on the zoomed image to avoid conflicts with other frameworks. Some frameworks might specify a `z-index` for their elements, which makes the zoomed image not visible.
 
@@ -515,8 +514,6 @@ If that's the case, you can provide a `z-index` value in your CSS:
 }
 ```
 
-</details>
-
 ## Browser support
 
 | IE              | Edge            | Chrome | Firefox | Safari |