fixed : The "cover image" block of the new WP editor has been renamed…

… "cover".

See WordPress/gutenberg#10659, but posts created with the former cover-image block will still use the wp-block-cover-image css class.
fixes #1601

assets/front/scss/0_4_layout/_article.scss

@@ -190,7 +190,9 @@ section[class^="post-"] {
     &.czr-no-sidebar {
         // alignwide and alignfull in boxed layouts
         // only reset the .container[role=main] horizontal padding
-        .entry-content .wp-block-cover-image {
+        //  The "cover image" block of the new WP editor has been renamed "cover".
+        //  See https://github.com/WordPress/gutenberg/pull/10659, but posts created with the former cover-image block will still use the wp-block-cover-image css class.
+        .entry-content .wp-block-cover-image, .entry-content .wp-block-cover {
             &.alignfull,
             &.alignwide {
                 margin-right: -15px;
@@ -208,14 +210,25 @@ section[class^="post-"] {
                 }
             }
         }
+        &.czr-boxed-layout .entry-content .wp-block-cover {
+            @include media-breakpoint-up(sm) {
+                &.alignfull,
+                &.alignwide {
+                    margin-right: -30px;
+                    margin-left: -30px;
+                }
+            }
+        }
     }
 
     &.czr-full-layout.czr-no-sidebar {
         #tc-page-wrap {
             overflow-x: hidden;
         }
         // alignfull
-        .entry-content .wp-block-cover-image.alignfull {
+        //  The "cover image" block of the new WP editor has been renamed "cover".
+        //  See https://github.com/WordPress/gutenberg/pull/10659, but posts created with the former cover-image block will still use the wp-block-cover-image css class.
+        .entry-content .wp-block-cover-image.alignfull, .entry-content .wp-block-cover.alignfull {
             width: 100vw;
             max-width: 100vw;
             position: relative;