diff --git a/phpunit/block-supports/border-test.php b/phpunit/block-supports/border-test.php
index a199dd34ad833c..dd2b279867aeb7 100644
--- a/phpunit/block-supports/border-test.php
+++ b/phpunit/block-supports/border-test.php
@@ -117,7 +117,7 @@ function test_border_color_slug_with_numbers_is_kebab_cased_properly() {
 		$actual   = gutenberg_apply_border_support( $block_type, $block_atts );
 		$expected = array(
 			'class' => 'has-border-color has-red-border-color',
-			'style' => 'border-radius: 10px; border-style: dashed; border-width: 1px;',
+			'style' => 'border-radius:10px;border-style:dashed;border-width:1px;',
 		);
 
 		$this->assertSame( $expected, $actual );
@@ -179,7 +179,7 @@ function test_flat_border_with_individual_skipped_serialization() {
 
 		$actual   = gutenberg_apply_border_support( $block_type, $block_atts );
 		$expected = array(
-			'style' => 'border-style: dotted; border-width: 1px;',
+			'style' => 'border-style:dotted;border-width:1px;',
 		);
 
 		$this->assertSame( $expected, $actual );
@@ -208,7 +208,7 @@ function test_split_border_radius() {
 		);
 		$actual      = gutenberg_apply_border_support( $block_type, $block_attrs );
 		$expected    = array(
-			'style' => 'border-top-left-radius: 1em; border-top-right-radius: 2rem; border-bottom-left-radius: 30px; border-bottom-right-radius: 4vh;',
+			'style' => 'border-top-left-radius:1em;border-top-right-radius:2rem;border-bottom-left-radius:30px;border-bottom-right-radius:4vh;',
 		);
 
 		$this->assertSame( $expected, $actual );
@@ -237,7 +237,7 @@ function test_flat_border_with_custom_color() {
 		$actual      = gutenberg_apply_border_support( $block_type, $block_attrs );
 		$expected    = array(
 			'class' => 'has-border-color',
-			'style' => 'border-color: #72aee6; border-style: dashed; border-width: 2px;',
+			'style' => 'border-color:#72aee6;border-style:dashed;border-width:2px;',
 		);
 
 		$this->assertSame( $expected, $actual );
@@ -282,7 +282,7 @@ function test_split_borders_with_custom_colors() {
 		);
 		$actual      = gutenberg_apply_border_support( $block_type, $block_attrs );
 		$expected    = array(
-			'style' => 'border-top-width: 2px; border-top-color: #72aee6; border-top-style: dashed; border-right-width: 0.25rem; border-right-color: #e65054; border-right-style: dotted; border-bottom-width: 0.5em; border-bottom-color: #007017; border-bottom-style: solid; border-left-width: 1px; border-left-color: #f6f7f7; border-left-style: solid;',
+			'style' => 'border-top-width:2px;border-top-color:#72aee6;border-top-style:dashed;border-right-width:0.25rem;border-right-color:#e65054;border-right-style:dotted;border-bottom-width:0.5em;border-bottom-color:#007017;border-bottom-style:solid;border-left-width:1px;border-left-color:#f6f7f7;border-left-style:solid;',
 		);
 
 		$this->assertSame( $expected, $actual );
@@ -372,7 +372,7 @@ function test_split_borders_with_skipped_individual_feature_serialization() {
 		);
 		$actual      = gutenberg_apply_border_support( $block_type, $block_attrs );
 		$expected    = array(
-			'style' => 'border-top-color: #72aee6; border-right-color: #e65054; border-bottom-color: #007017; border-left-color: #f6f7f7;',
+			'style' => 'border-top-color:#72aee6;border-right-color:#e65054;border-bottom-color:#007017;border-left-color:#f6f7f7;',
 		);
 
 		$this->assertSame( $expected, $actual );
@@ -409,7 +409,7 @@ function test_partial_split_borders() {
 		);
 		$actual      = gutenberg_apply_border_support( $block_type, $block_attrs );
 		$expected    = array(
-			'style' => 'border-top-width: 2px; border-top-color: #72aee6; border-top-style: dashed; border-right-width: 0.25rem; border-right-color: #e65054; border-left-style: solid;',
+			'style' => 'border-top-width:2px;border-top-color:#72aee6;border-top-style:dashed;border-right-width:0.25rem;border-right-color:#e65054;border-left-style:solid;',
 		);
 
 		$this->assertSame( $expected, $actual );
@@ -454,7 +454,7 @@ function test_split_borders_with_named_colors() {
 		);
 		$actual      = gutenberg_apply_border_support( $block_type, $block_attrs );
 		$expected    = array(
-			'style' => 'border-top-width: 2px; border-top-color: var(--wp--preset--color--red); border-top-style: dashed; border-right-width: 0.25rem; border-right-color: var(--wp--preset--color--green); border-right-style: dotted; border-bottom-width: 0.5em; border-bottom-color: var(--wp--preset--color--blue); border-bottom-style: solid; border-left-width: 1px; border-left-color: var(--wp--preset--color--yellow); border-left-style: solid;',
+			'style' => 'border-top-width:2px;border-top-color:var(--wp--preset--color--red);border-top-style:dashed;border-right-width:0.25rem;border-right-color:var(--wp--preset--color--green);border-right-style:dotted;border-bottom-width:0.5em;border-bottom-color:var(--wp--preset--color--blue);border-bottom-style:solid;border-left-width:1px;border-left-color:var(--wp--preset--color--yellow);border-left-style:solid;',
 		);
 
 		$this->assertSame( $expected, $actual );
diff --git a/phpunit/block-supports/colors-test.php b/phpunit/block-supports/colors-test.php
index fba82fafb4becb..89b3a9192270e6 100644
--- a/phpunit/block-supports/colors-test.php
+++ b/phpunit/block-supports/colors-test.php
@@ -136,7 +136,7 @@ function test_gradient_with_individual_skipped_serialization_block_supports() {
 		$actual   = gutenberg_apply_colors_support( $block_type, $block_atts );
 		$expected = array(
 			'class' => 'has-text-color',
-			'style' => 'color: #d92828;',
+			'style' => 'color:#d92828;',
 		);
 
 		$this->assertSame( $expected, $actual );
diff --git a/phpunit/block-supports/spacing-test.php b/phpunit/block-supports/spacing-test.php
index 51b537bff4d14a..4caaf12911f9ad 100644
--- a/phpunit/block-supports/spacing-test.php
+++ b/phpunit/block-supports/spacing-test.php
@@ -62,7 +62,7 @@ function test_spacing_style_is_applied() {
 
 		$actual   = gutenberg_apply_spacing_support( $block_type, $block_atts );
 		$expected = array(
-			'style' => 'padding: 111px; margin-top: 1px; margin-right: 2px; margin-bottom: 3px; margin-left: 4px;',
+			'style' => 'padding:111px;margin-top:1px;margin-right:2px;margin-bottom:3px;margin-left:4px;',
 		);
 
 		$this->assertSame( $expected, $actual );
@@ -152,7 +152,7 @@ function test_margin_with_individual_skipped_serialization_block_supports() {
 
 		$actual   = gutenberg_apply_spacing_support( $block_type, $block_atts );
 		$expected = array(
-			'style' => 'padding-top: 1px; padding-right: 2px; padding-bottom: 3px; padding-left: 4px;',
+			'style' => 'padding-top:1px;padding-right:2px;padding-bottom:3px;padding-left:4px;',
 		);
 
 		$this->assertSame( $expected, $actual );
diff --git a/phpunit/block-supports/typography-test.php b/phpunit/block-supports/typography-test.php
index f5b5ac954f9e21..297c90a1bc8a91 100644
--- a/phpunit/block-supports/typography-test.php
+++ b/phpunit/block-supports/typography-test.php
@@ -75,7 +75,7 @@ function test_font_family_with_legacy_inline_styles_using_a_value() {
 		$block_atts = array( 'style' => array( 'typography' => array( 'fontFamily' => 'serif' ) ) );
 
 		$actual   = gutenberg_apply_typography_support( $block_type, $block_atts );
-		$expected = array( 'style' => 'font-family: serif;' );
+		$expected = array( 'style' => 'font-family:serif;' );
 
 		$this->assertSame( $expected, $actual );
 	}
@@ -175,7 +175,7 @@ function test_font_family_with_legacy_inline_styles_using_a_css_var() {
 		$block_atts = array( 'style' => array( 'typography' => array( 'fontFamily' => 'var:preset|font-family|h1' ) ) );
 
 		$actual   = gutenberg_apply_typography_support( $block_type, $block_atts );
-		$expected = array( 'style' => 'font-family: var(--wp--preset--font-family--h-1);' );
+		$expected = array( 'style' => 'font-family:var(--wp--preset--font-family--h-1);' );
 
 		$this->assertSame( $expected, $actual );
 	}
diff --git a/phpunit/class-wp-theme-json-test.php b/phpunit/class-wp-theme-json-test.php
index 34d9905743c61e..80bd4c8f118d67 100644
--- a/phpunit/class-wp-theme-json-test.php
+++ b/phpunit/class-wp-theme-json-test.php
@@ -35,7 +35,7 @@ public function test_get_stylesheet_generates_layout_styles( $layout_definitions
 
 		// Results also include root site blocks styles.
 		$this->assertEquals(
-			'body { margin: 0; }.wp-site-blocks > .alignleft { float: left; margin-right: 2em; }.wp-site-blocks > .alignright { float: right; margin-left: 2em; }.wp-site-blocks > .aligncenter { justify-content: center; margin-left: auto; margin-right: auto; }.wp-site-blocks > * { margin-block-start: 0; margin-block-end: 0; }.wp-site-blocks > * + * { margin-block-start: 1em; }body { --wp--style--block-gap: 1em; }body .is-layout-flow > *{margin-block-start: 0;margin-block-end: 0;}body .is-layout-flow > * + *{margin-block-start: 1em;margin-block-end: 0;}body .is-layout-flex{gap: 1em;}body .is-layout-flow > .alignleft{float: left;margin-inline-start: 0;margin-inline-end: 2em;}body .is-layout-flow > .alignright{float: right;margin-inline-start: 2em;margin-inline-end: 0;}body .is-layout-flow > .aligncenter{margin-left: auto !important;margin-right: auto !important;}body .is-layout-flex{display: flex;}body .is-layout-flex{flex-wrap: wrap;align-items: center;}',
+			'body{margin:0;--wp--style--block-gap:1em;}.wp-site-blocks > .alignleft{float:left;margin-right:2em;}.wp-site-blocks > .alignright{float:right;margin-left:2em;}.wp-site-blocks > .aligncenter{justify-content:center;margin-left:auto;margin-right:auto;}.wp-site-blocks > * + *{margin-block-start:1em;}body .is-layout-flow > * + *{margin-block-start:1em;margin-block-end:0;}body .is-layout-flex{gap:1em;display:flex;flex-wrap:wrap;align-items:center;}body .is-layout-flow > .alignleft{float:left;margin-inline-start:0;margin-inline-end:2em;}body .is-layout-flow > .alignright{float:right;margin-inline-start:2em;margin-inline-end:0;}body .is-layout-flow > .aligncenter{margin-left:auto !important;margin-right:auto !important;}.wp-site-blocks > *,body .is-layout-flow > *{margin-block-start:0;margin-block-end:0;}',
 			$theme_json->get_stylesheet( array( 'styles' ) )
 		);
 	}
@@ -69,7 +69,7 @@ public function test_get_stylesheet_generates_fallback_gap_layout_styles( $layou
 
 		// Results also include root site blocks styles.
 		$this->assertEquals(
-			'body { margin: 0; }.wp-site-blocks > .alignleft { float: left; margin-right: 2em; }.wp-site-blocks > .alignright { float: right; margin-left: 2em; }.wp-site-blocks > .aligncenter { justify-content: center; margin-left: auto; margin-right: auto; }:where(.is-layout-flex){gap: 0.5em;}body .is-layout-flow > .alignleft{float: left;margin-inline-start: 0;margin-inline-end: 2em;}body .is-layout-flow > .alignright{float: right;margin-inline-start: 2em;margin-inline-end: 0;}body .is-layout-flow > .aligncenter{margin-left: auto !important;margin-right: auto !important;}body .is-layout-flex{display: flex;}body .is-layout-flex{flex-wrap: wrap;align-items: center;}',
+			'body{margin:0;}.wp-site-blocks > .alignleft{float:left;margin-right:2em;}.wp-site-blocks > .alignright{float:right;margin-left:2em;}.wp-site-blocks > .aligncenter{justify-content:center;margin-left:auto;margin-right:auto;}:where(.is-layout-flex){gap:0.5em;}body .is-layout-flow > .alignleft{float:left;margin-inline-start:0;margin-inline-end:2em;}body .is-layout-flow > .alignright{float:right;margin-inline-start:2em;margin-inline-end:0;}body .is-layout-flow > .aligncenter{margin-left:auto !important;margin-right:auto !important;}body .is-layout-flex{display:flex;flex-wrap:wrap;align-items:center;}',
 			$stylesheet
 		);
 	}
@@ -98,7 +98,7 @@ public function test_get_stylesheet_generates_base_fallback_gap_layout_styles( $
 
 		// Note the `base-layout-styles` includes a fallback gap for the Columns block for backwards compatibility.
 		$this->assertEquals(
-			':where(.is-layout-flex){gap: 0.5em;}body .is-layout-flow > .alignleft{float: left;margin-inline-start: 0;margin-inline-end: 2em;}body .is-layout-flow > .alignright{float: right;margin-inline-start: 2em;margin-inline-end: 0;}body .is-layout-flow > .aligncenter{margin-left: auto !important;margin-right: auto !important;}body .is-layout-flex{display: flex;}body .is-layout-flex{flex-wrap: wrap;align-items: center;}:where(.wp-block-columns.is-layout-flex){gap: 2em;}',
+			':where(.is-layout-flex){gap:0.5em;}body .is-layout-flow > .alignleft{float:left;margin-inline-start:0;margin-inline-end:2em;}body .is-layout-flow > .alignright{float:right;margin-inline-start:2em;margin-inline-end:0;}body .is-layout-flow > .aligncenter{margin-left:auto !important;margin-right:auto !important;}body .is-layout-flex{display:flex;flex-wrap:wrap;align-items:center;}:where(.wp-block-columns.is-layout-flex){gap:2em;}',
 			$stylesheet
 		);
 	}
@@ -249,9 +249,9 @@ function test_get_stylesheet_handles_whitelisted_element_pseudo_selectors() {
 			)
 		);
 
-		$base_styles = 'body { margin: 0; }.wp-site-blocks > .alignleft { float: left; margin-right: 2em; }.wp-site-blocks > .alignright { float: right; margin-left: 2em; }.wp-site-blocks > .aligncenter { justify-content: center; margin-left: auto; margin-right: auto; }';
+		$base_styles = 'body{margin:0;}.wp-site-blocks > .alignleft{float:left;margin-right:2em;}.wp-site-blocks > .alignright{float:right;margin-left:2em;}.wp-site-blocks > .aligncenter{justify-content:center;margin-left:auto;margin-right:auto;}';
 
-		$element_styles = 'a:where(:not(.wp-element-button)){background-color: red;color: green;}a:where(:not(.wp-element-button)):hover{background-color: green;color: red;font-size: 10em;text-transform: uppercase;}a:where(:not(.wp-element-button)):focus{background-color: black;color: yellow;}';
+		$element_styles = 'a:where(:not(.wp-element-button)){background-color:red;color:green;}a:where(:not(.wp-element-button)):hover{background-color:green;color:red;font-size:10em;text-transform:uppercase;}a:where(:not(.wp-element-button)):focus{background-color:black;color:yellow;}';
 
 		$expected = $base_styles . $element_styles;
 
@@ -288,9 +288,9 @@ function test_get_stylesheet_handles_only_pseudo_selector_rules_for_given_proper
 			)
 		);
 
-		$base_styles = 'body { margin: 0; }.wp-site-blocks > .alignleft { float: left; margin-right: 2em; }.wp-site-blocks > .alignright { float: right; margin-left: 2em; }.wp-site-blocks > .aligncenter { justify-content: center; margin-left: auto; margin-right: auto; }';
+		$base_styles = 'body{margin:0;}.wp-site-blocks > .alignleft{float:left;margin-right:2em;}.wp-site-blocks > .alignright{float:right;margin-left:2em;}.wp-site-blocks > .aligncenter{justify-content:center;margin-left:auto;margin-right:auto;}';
 
-		$element_styles = 'a:where(:not(.wp-element-button)):hover{background-color: green;color: red;font-size: 10em;text-transform: uppercase;}a:where(:not(.wp-element-button)):focus{background-color: black;color: yellow;}';
+		$element_styles = 'a:where(:not(.wp-element-button)):hover{background-color:green;color:red;font-size:10em;text-transform:uppercase;}a:where(:not(.wp-element-button)):focus{background-color:black;color:yellow;}';
 
 		$expected = $base_styles . $element_styles;
 
@@ -327,9 +327,9 @@ function test_get_stylesheet_ignores_pseudo_selectors_on_non_whitelisted_element
 			)
 		);
 
-		$base_styles = 'body { margin: 0; }.wp-site-blocks > .alignleft { float: left; margin-right: 2em; }.wp-site-blocks > .alignright { float: right; margin-left: 2em; }.wp-site-blocks > .aligncenter { justify-content: center; margin-left: auto; margin-right: auto; }';
+		$base_styles = 'body{margin:0;}.wp-site-blocks > .alignleft{float:left;margin-right:2em;}.wp-site-blocks > .alignright{float:right;margin-left:2em;}.wp-site-blocks > .aligncenter{justify-content:center;margin-left:auto;margin-right:auto;}';
 
-		$element_styles = 'h4{background-color: red;color: green;}';
+		$element_styles = 'h4{background-color:red;color:green;}';
 
 		$expected = $base_styles . $element_styles;
 
@@ -366,9 +366,9 @@ function test_get_stylesheet_ignores_non_whitelisted_pseudo_selectors() {
 			)
 		);
 
-		$base_styles = 'body { margin: 0; }.wp-site-blocks > .alignleft { float: left; margin-right: 2em; }.wp-site-blocks > .alignright { float: right; margin-left: 2em; }.wp-site-blocks > .aligncenter { justify-content: center; margin-left: auto; margin-right: auto; }';
+		$base_styles = 'body{margin:0;}.wp-site-blocks > .alignleft{float:left;margin-right:2em;}.wp-site-blocks > .alignright{float:right;margin-left:2em;}.wp-site-blocks > .aligncenter{justify-content:center;margin-left:auto;margin-right:auto;}';
 
-		$element_styles = 'a:where(:not(.wp-element-button)){background-color: red;color: green;}a:where(:not(.wp-element-button)):hover{background-color: green;color: red;}';
+		$element_styles = 'a:where(:not(.wp-element-button)){background-color:red;color:green;}a:where(:not(.wp-element-button)):hover{background-color:green;color:red;}';
 
 		$expected = $base_styles . $element_styles;
 
@@ -414,9 +414,9 @@ function test_get_stylesheet_handles_priority_of_elements_vs_block_elements_pseu
 			)
 		);
 
-		$base_styles = 'body { margin: 0; }.wp-site-blocks > .alignleft { float: left; margin-right: 2em; }.wp-site-blocks > .alignright { float: right; margin-left: 2em; }.wp-site-blocks > .aligncenter { justify-content: center; margin-left: auto; margin-right: auto; }';
+		$base_styles = 'body{margin:0;}.wp-site-blocks > .alignleft{float:left;margin-right:2em;}.wp-site-blocks > .alignright{float:right;margin-left:2em;}.wp-site-blocks > .aligncenter{justify-content:center;margin-left:auto;margin-right:auto;}';
 
-		$element_styles = '.wp-block-group a:where(:not(.wp-element-button)){background-color: red;color: green;}.wp-block-group a:where(:not(.wp-element-button)):hover{background-color: green;color: red;font-size: 10em;text-transform: uppercase;}.wp-block-group a:where(:not(.wp-element-button)):focus{background-color: black;color: yellow;}';
+		$element_styles = '.wp-block-group a:where(:not(.wp-element-button)){background-color:red;color:green;}.wp-block-group a:where(:not(.wp-element-button)):hover{background-color:green;color:red;font-size:10em;text-transform:uppercase;}.wp-block-group a:where(:not(.wp-element-button)):focus{background-color:black;color:yellow;}';
 
 		$expected = $base_styles . $element_styles;
 
@@ -461,9 +461,9 @@ function test_get_stylesheet_handles_whitelisted_block_level_element_pseudo_sele
 			)
 		);
 
-		$base_styles = 'body { margin: 0; }.wp-site-blocks > .alignleft { float: left; margin-right: 2em; }.wp-site-blocks > .alignright { float: right; margin-left: 2em; }.wp-site-blocks > .aligncenter { justify-content: center; margin-left: auto; margin-right: auto; }';
+		$base_styles = 'body{margin:0;}.wp-site-blocks > .alignleft{float:left;margin-right:2em;}.wp-site-blocks > .alignright{float:right;margin-left:2em;}.wp-site-blocks > .aligncenter{justify-content:center;margin-left:auto;margin-right:auto;}';
 
-		$element_styles = 'a:where(:not(.wp-element-button)){background-color: red;color: green;}a:where(:not(.wp-element-button)):hover{background-color: green;color: red;}.wp-block-group a:where(:not(.wp-element-button)):hover{background-color: black;color: yellow;}';
+		$element_styles = 'a:where(:not(.wp-element-button)){background-color:red;color:green;}a:where(:not(.wp-element-button)):hover{background-color:green;color:red;}.wp-block-group a:where(:not(.wp-element-button)):hover{background-color:black;color:yellow;}';
 
 		$expected = $base_styles . $element_styles;
 
@@ -524,9 +524,9 @@ function test_get_stylesheet_with_block_support_feature_level_selectors() {
 			)
 		);
 
-		$base_styles   = 'body{--wp--preset--color--green: green;}body { margin: 0; }.wp-site-blocks > .alignleft { float: left; margin-right: 2em; }.wp-site-blocks > .alignright { float: right; margin-left: 2em; }.wp-site-blocks > .aligncenter { justify-content: center; margin-left: auto; margin-right: auto; }';
-		$block_styles  = '.wp-block-test, .wp-block-test__wrapper{color: green;}.wp-block-test .inner, .wp-block-test__wrapper .inner{border-radius: 9999px;padding: 20px;}.wp-block-test .sub-heading, .wp-block-test__wrapper .sub-heading{font-size: 3em;}';
-		$preset_styles = '.has-green-color{color: var(--wp--preset--color--green) !important;}.has-green-background-color{background-color: var(--wp--preset--color--green) !important;}.has-green-border-color{border-color: var(--wp--preset--color--green) !important;}';
+		$base_styles   = 'body{--wp--preset--color--green:green;margin:0;}.wp-site-blocks > .alignleft{float:left;margin-right:2em;}.wp-site-blocks > .alignright{float:right;margin-left:2em;}.wp-site-blocks > .aligncenter{justify-content:center;margin-left:auto;margin-right:auto;}';
+		$block_styles  = '.wp-block-test, .wp-block-test__wrapper{color:green;}.wp-block-test .inner, .wp-block-test__wrapper .inner{border-radius:9999px;padding:20px;}.wp-block-test .sub-heading, .wp-block-test__wrapper .sub-heading{font-size:3em;}';
+		$preset_styles = '.has-green-color{color:var(--wp--preset--color--green) !important;}.has-green-background-color{background-color:var(--wp--preset--color--green) !important;}.has-green-border-color{border-color:var(--wp--preset--color--green) !important;}';
 		$expected      = $base_styles . $block_styles . $preset_styles;
 
 		$this->assertEquals( $expected, $theme_json->get_stylesheet() );
@@ -618,7 +618,7 @@ function test_get_property_value_valid() {
 			)
 		);
 
-		$expected = 'body { margin: 0; }body{background-color: #ffffff;color: #000000;}.wp-site-blocks > .alignleft { float: left; margin-right: 2em; }.wp-site-blocks > .alignright { float: right; margin-left: 2em; }.wp-site-blocks > .aligncenter { justify-content: center; margin-left: auto; margin-right: auto; }.wp-element-button, .wp-block-button__link{background-color: #000000;color: #ffffff;}';
+		$expected = 'body{margin:0;background-color:#ffffff;color:#000000;}.wp-site-blocks > .alignleft{float:left;margin-right:2em;}.wp-site-blocks > .alignright{float:right;margin-left:2em;}.wp-site-blocks > .aligncenter{justify-content:center;margin-left:auto;margin-right:auto;}.wp-element-button, .wp-block-button__link{background-color:#000000;color:#ffffff;}';
 		$this->assertEquals( $expected, $theme_json->get_stylesheet() );
 	}
 
@@ -650,7 +650,7 @@ function test_get_property_value_loop() {
 			)
 		);
 
-		$expected = 'body { margin: 0; }body{background-color: #ffffff;}.wp-site-blocks > .alignleft { float: left; margin-right: 2em; }.wp-site-blocks > .alignright { float: right; margin-left: 2em; }.wp-site-blocks > .aligncenter { justify-content: center; margin-left: auto; margin-right: auto; }.wp-element-button, .wp-block-button__link{color: #ffffff;}';
+		$expected = 'body{margin:0;background-color:#ffffff;}.wp-site-blocks > .alignleft{float:left;margin-right:2em;}.wp-site-blocks > .alignright{float:right;margin-left:2em;}.wp-site-blocks > .aligncenter{justify-content:center;margin-left:auto;margin-right:auto;}.wp-element-button, .wp-block-button__link{color:#ffffff;}';
 		$this->assertSame( $expected, $theme_json->get_stylesheet() );
 	}
 
@@ -681,7 +681,7 @@ function test_get_property_value_recursion() {
 			)
 		);
 
-		$expected = 'body { margin: 0; }body{background-color: #ffffff;color: #ffffff;}.wp-site-blocks > .alignleft { float: left; margin-right: 2em; }.wp-site-blocks > .alignright { float: right; margin-left: 2em; }.wp-site-blocks > .aligncenter { justify-content: center; margin-left: auto; margin-right: auto; }.wp-element-button, .wp-block-button__link{color: #ffffff;}';
+		$expected = 'body{margin:0;background-color:#ffffff;color:#ffffff;}.wp-site-blocks > .alignleft{float:left;margin-right:2em;}.wp-site-blocks > .alignright{float:right;margin-left:2em;}.wp-site-blocks > .aligncenter{justify-content:center;margin-left:auto;margin-right:auto;}.wp-element-button, .wp-block-button__link{color:#ffffff;}';
 		$this->assertEquals( $expected, $theme_json->get_stylesheet() );
 	}
 
@@ -704,7 +704,7 @@ function test_get_property_value_self() {
 			)
 		);
 
-		$expected = 'body { margin: 0; }body{background-color: #ffffff;}.wp-site-blocks > .alignleft { float: left; margin-right: 2em; }.wp-site-blocks > .alignright { float: right; margin-left: 2em; }.wp-site-blocks > .aligncenter { justify-content: center; margin-left: auto; margin-right: auto; }';
+		$expected = 'body{margin:0;background-color:#ffffff;}.wp-site-blocks > .alignleft{float:left;margin-right:2em;}.wp-site-blocks > .alignright{float:right;margin-left:2em;}.wp-site-blocks > .aligncenter{justify-content:center;margin-left:auto;margin-right:auto;}';
 		$this->assertEquals( $expected, $theme_json->get_stylesheet() );
 	}