Why is my HTML editor adding extra spaces in my warehouse theme text?

I created the text in an HTML editor now I copy and paste the code in to the editor and save everything:

This is how everything must look, now after is saved it on my webpage it looks like this:
To many spaces between the text. What could be the issue?

I use the warehouse theme.

Hi @blastfire !

Would you mind sharing your store’s URL so we can have a look here?

i found the issue:

Some one from fiverr changed a code, so i will never hire one again.
he put in this code in the theme.liquid

.product-block-list__item--description .rte br{ /* line-height: 1% !important; */ display: block !important; margin: 20px 0px !important; content: " "; } .rte span{ line-height: 1.1 !important; } .rte p{ line-height: 1.1 !important; } .rte img, .rte .video-wrapper{ margin-top:0px !important; margin-bottom:0px !important; }

Now i removed it and only changed this for the height of the spaces: