update gutenberg styles & grunt

assets/css/blocks/block-library/_mixins.scss

@@ -480,8 +480,12 @@
 		border-radius: $radius-round;
 
 		&:checked::before {
-			margin: 3px 0 0 3px;
+			margin: 6px 0 0 6px;
 			background-color: $white;
+
+			@include break-medium() {
+				margin: 3px 0 0 3px;
+			}
 		}
 	}
 

assets/css/blocks/block-library/_z-index.scss

@@ -99,7 +99,11 @@ $z-layers: (
 	".nux-dot-tip": 1000001,
 
 	// Show tooltips above NUX tips, wp-admin menus, submenus, and sidebar:
-	".components-tooltip": 1000002
+	".components-tooltip": 1000002,
+
+	// Make sure corner handles are above side handles for ResizableBox component
+	".components-resizable-box__side-handle": 1,
+	".components-resizable-box__corner-handle": 2
 );
 
 @function z-index( $key ) {

assets/css/blocks/block-library/columns/style.scss

@@ -10,6 +10,7 @@
 }
 
 .wp-block-column {
+	margin-bottom: 1em;
 	flex-grow: 1;
 
 	// Responsiveness: Show at most one columns on mobile.
@@ -44,14 +45,6 @@
 	}
 }
 
-// Specificity overide to ensure margin is applied
-// and preserved on last child to ensure that when columns
-// are aligned to bottom they are are flush with each other
-.wp-block-column,
-.entry-content > .wp-block-columns .wp-block-column:last-child {
-	margin-bottom: 1em;
-}
-
 /**
  * All Columns Alignment
  */

assets/css/blocks/block-library/gallery/style.scss

@@ -126,14 +126,6 @@
 		margin-right: 0;
 	}
 
-	// Make the "Add new Gallery item" button full-width (so it always appears
-	// below other items).
-	.blocks-gallery-item {
-		&.has-add-item-button {
-			width: 100%;
-		}
-	}
-
 	// Apply max-width to floated items that have no intrinsic width.
 	&.alignleft,
 	&.alignright {

assets/css/blocks/block-library/readme.md

@@ -1,5 +1,5 @@
 This folder contains styles for editor blocks.
 These styles were copied from the Gutenberg project, and then tweaked to remove duplicates and optimize them for use in the Gridd theme.
 
-Blocks styles copied from https://github.com/WordPress/gutenberg/tree/8260725431021238aa9ab50d6dbd821384dd6c51/packages/block-library/src
-Variables, mixins etc copied from https://github.com/WordPress/gutenberg/tree/8260725431021238aa9ab50d6dbd821384dd6c51/assets/stylesheets
+Blocks styles copied from https://github.com/WordPress/gutenberg/tree/a64a98d6ce5fc94edf6770e336a17314bff80dab/packages/block-library/src
+Variables, mixins etc copied from https://github.com/WordPress/gutenberg/tree/a64a98d6ce5fc94edf6770e336a17314bff80dab/assets/stylesheets

assets/css/blocks/block-library/rss/style.scss

@@ -30,6 +30,7 @@
 
 .wp-block-rss__item-publish-date,
 .wp-block-rss__item-author {
+	display: block;
 	color: $dark-gray-300;
 	font-size: $default-font-size;
 }

assets/css/blocks/columns.css

@@ -77,6 +77,7 @@
       flex-wrap: nowrap; } }
 
 .wp-block-column {
+  margin-bottom: 1em;
   flex-grow: 1;
   flex-basis: 100%;
   min-width: 0;
@@ -92,10 +93,6 @@
     .wp-block-column:not(:first-child) {
       margin-left: 32px; } }
 
-.wp-block-column,
-.entry-content > .wp-block-columns .wp-block-column:last-child {
-  margin-bottom: 1em; }
-
 /**
  * All Columns Alignment
  */

assets/css/blocks/gallery.css

@@ -194,8 +194,6 @@
   .wp-block-gallery .blocks-gallery-image:last-child,
   .wp-block-gallery .blocks-gallery-item:last-child {
     margin-right: 0; }
-  .wp-block-gallery .blocks-gallery-item.has-add-item-button {
-    width: 100%; }
   .wp-block-gallery.alignleft, .wp-block-gallery.alignright {
     max-width: 305px;
     width: 100%; }

assets/css/blocks/rss.css

@@ -97,6 +97,7 @@
 
 .wp-block-rss__item-publish-date,
 .wp-block-rss__item-author {
+  display: block;
   color: #6c7781;
   font-size: 1em; }