4 <title>CSS-contain test reference
</title>
5 <link rel=
"author" title=
"Florian Rivoal" href=
"https://florian.rivoal.net">
9 writing-mode: vertical-lr;
17 border-top:
100px solid red;
18 border-bottom:
100px solid green;
23 text-orientation: upright;
28 writing-mode: horizontal-tb;
34 <p>Test passes if there is no red.