Mypal/layout/reftests/backgrounds/really-big-background.html

<!DOCTYPE html>
<img alt=" " style="background-image: url(really-big-background.png); width: 1600px; height: 1200px; position: absolute;"></img>
basic source 2019-03-11 10:26:37 +00:00			`<!DOCTYPE html>`
Align <img> with no src to the updated spec. 2020-06-10 18:11:41 +00:00			`<img alt=" " style="background-image: url(really-big-background.png); width: 1600px; height: 1200px; position: absolute;"></img>`