Follow those sets of instructions.
- You blog post text must be in a RT (Rich text) element. Both in the Collection settings than in the blog post Template.
- On the blog post template, your RT element must have a class name, let's say:
Now for a technical reason when a RT element is linked to a collection or is used within a Dynamic list, you can't style its content. But we don't care, we can style its content in any other RT element that has the same class.
- in a static page, put a RT element and give it the class you gave to your post text :
- notice how you can select the RT element entirely, or select only an element of it : the title, the paragraph etc
- double click it to add a line, click on the + icon that appears and add any image inside. when the image appears click somewhere else on the page to unselect the RT element.
- click again but on the image so the image is selected.
click on the navigator tab and select the FIGURE parent of the image : that's what you want to style
- click on the field where you add the class name, and on the bottom, on
- click on the following button to limit the effects of the styling we're going to do to the images within a RT element of that class
- now style your round corners as dsired, play with the options.
in the end it will affect your images in the blog post.