|  | <!DOCTYPE html> | 
|  | <meta charset="utf-8"> | 
|  | <title>CSS Containment Test: Size containment replaced elements intrinsic size</title> | 
|  | <link rel="help" href="https://drafts.csswg.org/css-contain-1/#containment-size"> | 
|  | <link rel="match" href="../reference/ref-filled-green-100px-square.xht"> | 
|  | <meta name=assert content="This test checks that intrinsic size of replaced elements with 'contain: size' is zero."> | 
|  | <style> | 
|  | svg { | 
|  | background: green; | 
|  | padding: 50px 0; | 
|  | contain: size; | 
|  | } | 
|  | </style> | 
|  |  | 
|  | <p>Test passes if there is a filled green square and <strong>no red</strong>.</p> | 
|  | <svg width="100" viewBox="0 0 50 50"> | 
|  | <rect fill="red" width="50" height="50"/> | 
|  | </svg> |