fix: stylelint

Signed-off-by: skjnldsv <skjnldsv@protonmail.com>

Author: skjnldsv

css/init-BT5Phsd1.chunk.css css/init-CGjTNE8M.chunk.css

@@ -1,5 +1,5 @@
 /* extracted by css-entry-points-plugin */
-@import './init-BT5Phsd1.chunk.css';
+@import './init-CGjTNE8M.chunk.css';
 @import './previewUtils-BffjDTy3.chunk.css';
 @import './NcActionButton-WAAyMq9-.chunk.css';
 @import './NcActionLink-C3uWgqfV.chunk.css';

css/main-D_aIfD80.chunk.css css/main-DKwmbWFy.chunk.css

@@ -1,3 +1,3 @@
 /* extracted by css-entry-points-plugin */
-@import './main-D_aIfD80.chunk.css';
+@import './main-DKwmbWFy.chunk.css';
 @import './previewUtils-BffjDTy3.chunk.css';

css/viewer-init.css

@@ -410,7 +410,7 @@ img, video {
 			linear-gradient(45deg, transparent 75%, #{$checkered-color} 75%),
 			linear-gradient(45deg, transparent 75%, #{$checkered-color} 75%),
 			linear-gradient(45deg, #{$checkered-color} 25%, #fff 25%);
-		background-size: 2 * $checkered-size 2 * $checkered-size;
+		background-size: #{2 * $checkered-size} #{2 * $checkered-size};
 		background-position: 0 0, 0 0, -#{$checkered-size} -#{$checkered-size}, $checkered-size $checkered-size;
 	}
 	&.loaded {