Four translucent paper corner-mounts hold the image like a print slotted into an old photo album.
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Album Corners overlays four triangular paper corner-mounts on the image, like a print held in an old photo album. All four are diagonal-split linear-gradients on a single ::after (one background layer per corner, sized to --ifx-corner and pinned to each corner), with a soft drop-shadow so they read as raised paper. Tune --ifx-corner (mount size), --ifx-corner-color (paper tone), and --ifx-corner-shadow (drop-shadow alpha). It's an overlay that never crops the image, so nothing essential is hidden. Universal support, identical on touch, no reduced-motion handling needed.
Universal.