Bloc vidéo : correction du style du layout bouton (#843)

assets/sass/_theme/blocks/video.sass

 .block-video
-    @include media-breakpoint-down(desktop)
-        .video
-            margin-left: var(--grid-gutter-negative)
-            margin-right: var(--grid-gutter-negative)
-
-    @include in-page-without-sidebar
-        background: $block-video-background
-        .block-content
-            @include grid(12, false, 0)
-            padding-top: $block-space-y
-            padding-bottom: $spacing-4
-            .top
-                grid-column: 1 / -1
+    &--player
+        @include media-breakpoint-down(desktop)
             .video
-                grid-column: 8 span
-            > p
-                margin-top: 0
-                grid-column: 4 span
-            .transcription
-                grid-column: 8 span
-        .lazy-video-player::after
-            backdrop-filter: blur(5px)
-
+                margin-left: var(--grid-gutter-negative)
+                margin-right: var(--grid-gutter-negative)
+        @include in-page-without-sidebar
+            background: $block-video-background
+            .block-content
+                @include grid(12, false, 0)
+                padding-top: $block-space-y
+                padding-bottom: $spacing-4
+                .top
+                    grid-column: 1 / -1
+                .video
+                    grid-column: 8 span
+                > p
+                    margin-top: 0
+                    grid-column: 4 span
+                .transcription
+                    grid-column: 8 span
+            .lazy-video-player::after
+                backdrop-filter: blur(5px)
     &--button
         .video
             display: none