Jarret – Thanks for your kind reply!
It’s the “text & media” block that extents past the width of the column that contains the post contents. (i.e. into the margins)
The “cover” block displays a cropped version of the image. I was thinking that perhaps the full image was placed outside the post margins – but only the portion within the margins was visible – giving the appearance of being cropped.
I just noticed that the “cover” block offers a “focal point” feature when not doing the “fixed” (parallax) option. That tells me that it’s the intention of the “cover” block to only show a portion of the image.
I’d really rather show the whole image – especially when using the “fixed” (parallax) version.
As it happens – when selecting “fixed” (parallax) even less of the original image is displayed – and the “focal point” feature goes away.
This is not ideal – I’d like to use the “cover” block and always show the fill width of the image.
Per your request – I’ve gathered three sets of HTML – all of the same image. The first is an “image” block, the second a “cover” block – not fixed, and the third is a “cover” block – with the “fixed” (parallax) option selected.
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“Image” block:
<figure class=”wp-block-image”>
</figure>
“Cover” block – without fixed background:
<div class=”wp-block-cover has-background-dim” style=”background-image:url(https://localhost/wordpress/wp-content/uploads/2020/01/ziggy-looking-through-r100rs-windshield.jpg)”><div class=”wp-block-cover__inner-container”><!– wp:paragraph {“align”:”center”,”placeholder”:”Write title…”,”fontSize”:”large”} –>
<p class=”has-text-align-center has-large-font-size”></p>
<!– /wp:paragraph –></div></div>
“Cover” block – with fixed background:
<div class=”wp-block-cover has-background-dim has-parallax” style=”background-image:url(https://localhost/wordpress/wp-content/uploads/2020/01/ziggy-looking-through-r100rs-windshield.jpg)”><div class=”wp-block-cover__inner-container”><!– wp:paragraph {“align”:”center”,”placeholder”:”Write title…”,”fontSize”:”large”} –>
<p class=”has-text-align-center has-large-font-size”></p>
<!– /wp:paragraph –></div></div>