amp-story-grid-layer[template="fill"] .wp-block-image { margin: 0; }

amp-story-grid-layer[template="fill"] .wp-block-image { margin: 0; }

.has-background {
	padding: 10px !important;
}

amp-story-grid-layer > * {
	width: auto !important;
}

Improve CSS for elements with background color
Improve CSS for elements with background color
