Docs: fix multiline issues in docs

Docs/Layers/postboxes.md

@@ -2,20 +2,10 @@
 
 # postboxes
 
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 The layer showing postboxes.
 
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  - This layer is shown at zoomlevel **12** and higher
 
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 ## Table of contents
 
 1. [Themes using this layer](#themes-using-this-layer)
@@ -29,13 +19,9 @@ The layer showing postboxes.
 
 ## Themes using this layer
 
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  - [personal](https://mapcomplete.org/personal)
  - [postboxes](https://mapcomplete.org/postboxes)
 
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 ## Basic tags for this layer
 
 Elements must match the expression **<a href='https://wiki.openstreetmap.org/wiki/Key:amenity' target='_blank'>amenity</a>=<a href='https://wiki.openstreetmap.org/wiki/Tag:amenity%3Dpost_box' target='_blank'>post_box</a>**
@@ -44,46 +30,31 @@ Elements must match the expression **<a href='https://wiki.openstreetmap.org/wik
 
 ## Supported attributes
 
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 ### images
 This block shows the known images which are linked with the `image`-keys, but also via `mapillary` and `wikidata` and shows the button to upload new images
 _This tagrendering has no question and is thus read-only_
 *{image_carousel()}{image_upload()}*
 
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 ### minimap
 
 _This tagrendering has no question and is thus read-only_
 *{minimap(18): height: 5rem; overflow: hidden; border-radius:3rem; }*
 
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 ### leftover-questions
 
 _This tagrendering has no question and is thus read-only_
 *{questions( ,)}*
 
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 ### delete-button
 
 _This tagrendering has no question and is thus read-only_
 *{delete_button()}*
 
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 ### lod
 
 _This tagrendering has no question and is thus read-only_
 *{linked_data_from_website()}*
 
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 This tagrendering has labels 
 `added_by_default`