img:is([sizes="auto" i],[sizes^="auto," i]) { contain-intrinsic-size:3000px 1500px }.wp-block-gallery.wp-block-gallery-1{--wp--style--unstable-gallery-gap:var( --wp--style--gallery-gap-default,var( --gallery-block--gutter-size,var( --wp--style--block-gap,0.5em ) ) );gap:var( --wp--style--gallery-gap-default,var( --gallery-block--gutter-size,var( --wp--style--block-gap,0.5em ) ) )}