Create your content in Microsoft Word and ensure that you set the headings, bold text, bullet points and so on in there. Then when you copy and paste the whole document into WordPress’s block editor they will automatically be set there too.
From the Content, SEO & WordPress categories Are you struggling to come up with suitable alt text?
If you are trying to find the appropriate words to use for an image's alt text, it can sometimes help by imagining that you are explaining the image to somebody who has their eyes closed.
