plain: x=60 y=30 width=100 height=40
with-viewbox: x=10 y=10 width=30 height=20
multiple-children: x=20 y=30 width=150 height=90
with-foreign-object: x=10 y=10 width=150 height=100
display-none: x=0 y=0 width=0 height=0
