Co-Authored-By: type76 <osmanjaro@gmail.com>
Remove clear spaces (for flexibility, clear spaces should be implemented using CSS paddings), reset `preserveAspectRatio` to default `xMidYMid`
See https://github.com/picocms/Pico/issues/499 and https://github.com/picocms/Pico/issues/499#issuecomment-544136977