|  | <!doctype html> | 
|  | <html lang=en> | 
|  | <meta charset=utf-8> | 
|  | <title>CSS-contain test: size containment on ruby-text</title> | 
|  | <link rel="author" title="Florian Rivoal" href="https://florian.rivoal.net"> | 
|  | <meta name=flags content=""> | 
|  | <meta name=assert content="size containment does not to apply ruby-text, which is an internal ruby element"> | 
|  | <link rel="match" href="reference/contain-size-005-ref.html"> | 
|  | <link rel=help href="https://drafts.csswg.org/css-contain-1/#containment-size"> | 
|  | <link rel=help href="https://drafts.csswg.org/css-display-3/#internal-ruby-element"> | 
|  |  | 
|  | <style> | 
|  | div { | 
|  | overflow: hidden; | 
|  | position: absolute; | 
|  | } | 
|  | rt { | 
|  | contain: size; | 
|  | display: ruby-text; | 
|  | font-size: 1rem; | 
|  | } | 
|  | </style> | 
|  |  | 
|  | <p>This test passes if you can see the word PASS below. | 
|  | <div><ruby><rt>PASS</rt></ruby></div> |