Anyone using #CSS subgrid encountered this problem?

Appears subgrid lanes (plus subgrid row-gap) must be at least as tall as parent grid row-gap to avoid excess height?

@meduz hello

Perusing canwedev I stumbled on the Houdini site. Yeah! What happened to Houdini?

I suppose this answers the question it poses at least:

@heydon in possibly only instance you will catch me going out of my way to aid an advertiser.

Yours needs a background colour. Love you work, might even click the ad.