Alignment styles: Centre blocks using grid not margins (#32231)

* Alignment styles: Centre blocks using flex not margins * add border-box so that padding doesn't make blocks wider * Use grid instead of flex * Update lib/block-supports/layout.php Co-authored-by: Ari Stathopoulos <aristath@gmail.com> Co-authored-by: Ari Stathopoulos <aristath@gmail.com>
WordPress · May 27, 2021 · fb7cb48 · fb7cb48
1 parent 4fb9b2a
commit fb7cb48
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Showing 2 changed files with 14 additions and 5 deletions.
diff --git a/lib/block-supports/layout.php b/lib/block-supports/layout.php
@@ -63,10 +63,14 @@ function gutenberg_render_layout_support_flag( $block_content, $block ) {
 
 	$style = '';
 	if ( $content_size || $wide_size ) {
-		$style  = ".wp-container-$id > * {";
+
+		$style  = ".wp-container-$id { display: grid; }";
+
+		$style .= ".wp-container-$id > * {";
+		$style .= 'box-sizing: border-box;';
+		$style .= 'justify-self: center;';
 		$style .= 'max-width: ' . esc_html( $all_max_width_value ) . ';';
-		$style .= 'margin-left: auto !important;';
-		$style .= 'margin-right: auto !important;';
+		$style .= 'width: 100%;';
 		$style .= '}';
 
 		$style .= ".wp-container-$id > .alignwide { max-width: " . esc_html( $wide_max_width_value ) . ';}';

diff --git a/packages/block-editor/src/components/block-list/layout.js b/packages/block-editor/src/components/block-list/layout.js
@@ -41,10 +41,15 @@ export function LayoutStyle( { selector, layout = {} } ) {
 	let style =
 		!! contentSize || !! wideSize
 			? `
+				${ selector } {
+					display: grid;
+				}
+
 				${ appendSelectors( selector, '> *' ) } {
+					box-sizing: border-box;
+					justify-self: center;
+					width: 100%;
 					max-width: ${ contentSize ?? wideSize };
-					margin-left: auto !important;
-					margin-right: auto !important;
 				}
 
 				${ appendSelectors( selector, '> [data-align="wide"]' ) }  {