CSS for compatibility with Gutenberg Group and Cover blocks.

style.css

@media (min-width: 1200px) {
	/* With container - Sidebar/No Sidebar */
	.ast-separate-container.ast-right-sidebar .entry-content .wp-block-group.alignwide,
	.ast-separate-container.ast-left-sidebar .entry-content .wp-block-group.alignwide,
	.ast-separate-container.ast-right-sidebar .entry-content .wp-block-cover.alignwide,
	.ast-separate-container.ast-left-sidebar .entry-content .wp-block-cover.alignwide,
	.ast-no-sidebar.ast-separate-container .entry-content .wp-block-group.alignwide,
	.ast-no-sidebar.ast-separate-container .entry-content .wp-block-cover.alignwide {
		margin-left: -20px;
		margin-right: -20px;
		padding-left: 20px;
		padding-right: 20px;
	}
	.ast-separate-container.ast-right-sidebar .entry-content .wp-block-group.alignfull,
	.ast-separate-container.ast-left-sidebar .entry-content .wp-block-group.alignfull,
	.ast-no-sidebar.ast-separate-container .entry-content .wp-block-group.alignfull,
	.ast-separate-container.ast-right-sidebar .entry-content .wp-block-cover.alignfull,
	.ast-separate-container.ast-left-sidebar .entry-content .wp-block-cover.alignfull,
	.ast-no-sidebar.ast-separate-container .entry-content .wp-block-cover.alignfull {
		margin-left: -6.67em;
		margin-right: -6.67em;
		padding-left: 6.67em;
		padding-right: 6.67em;
	}
	/* Without container - Sidebar/No Sidebar */
	.ast-plain-container.ast-right-sidebar .entry-content .wp-block-group.alignwide,
	.ast-plain-container.ast-left-sidebar .entry-content .wp-block-group.alignwide,
	.ast-plain-container.ast-right-sidebar .entry-content .wp-block-group.alignfull,
	.ast-plain-container.ast-left-sidebar .entry-content .wp-block-group.alignfull {
		padding-left: 20px;
		padding-right: 20px;
	}
	/* Full Width / Contained - No Sidebar */
	.ast-plain-container.ast-no-sidebar .entry-content .wp-block-group.alignwide .wp-block-group__inner-container,
	.ast-plain-container.ast-no-sidebar .entry-content .wp-block-group.alignfull .wp-block-group__inner-container,
	.ast-plain-container.ast-no-sidebar .entry-content .wp-block-cover.alignwide .wp-block-cover__inner-container,
	.ast-plain-container.ast-no-sidebar .entry-content .wp-block-cover.alignfull .wp-block-cover__inner-container {
		max-width: 1240px;
		margin-left: auto;
		margin-right: auto;
		padding-left: 20px;
		padding-right: 20px;
	}
	/* Full Width / Stretched - No Sidebar */
	.ast-page-builder-template.ast-no-sidebar .entry-content .wp-block-group.alignwide,
	.ast-page-builder-template.ast-no-sidebar .entry-content .wp-block-group.alignfull {
		margin-left: 0;
		margin-right: 0;
	}
	/* Cover Image */
	.wp-block-cover-image.alignwide .wp-block-cover__inner-container,
	.wp-block-cover.alignwide .wp-block-cover__inner-container,
	.wp-block-cover-image.alignfull .wp-block-cover__inner-container,
	.wp-block-cover.alignfull .wp-block-cover__inner-container {
		width: 100%;
	}
	.ast-page-builder-template.ast-no-sidebar .entry-content .wp-block-cover.alignwide,
	.ast-page-builder-template.ast-left-sidebar .entry-content .wp-block-cover.alignwide,
	.ast-page-builder-template.ast-right-sidebar .entry-content .wp-block-cover.alignwide,
	.ast-page-builder-template.ast-no-sidebar .entry-content .wp-block-cover.alignfull,
	.ast-page-builder-template.ast-left-sidebar .entry-content .wp-block-cover.alignfull,
	.ast-page-builder-template.ast-right-sidebar .entry-content .wp-block-cover.alignfull {
		padding-right: 0;
		padding-left: 0;
	}
}