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CSS by T. Afif

css-only.dev

did:plc:kzbz4qsltwkq3baxgue7ju4k

another solution with better support but I think chrome only as well: https://codepen.io/t_afif/pen/YPwGvQb the formula is ((Y +1) - i) and (i - (X + 1))

2025-10-02T11:05:08.850Z