Source code
Revision control
Copy as Markdown
Other Tools
<html>
<meta chartset=utf-8>
<title>Test Reference</title>
<style>
html {
writing-mode: vertical-rl;
}
body {
writing-mode: vertical-rl;
width: 0; height: 0;
}
html::before {
content: "This text must be vertical.";
}
html::after {
content: "This text must be horizontal.";
display: block;
writing-mode: horizontal-tb;
}
</style>
<body></body>