|  | <!DOCTYPE html> | 
|  | <html> | 
|  | <head> | 
|  | <meta charset="utf-8"> | 
|  | <title>CSS Backgrounds and Borders Module Level 3: parsing border-image-outset with valid values</title> | 
|  | <link rel="author" title="Eric Willigers" href="mailto:ericwilligers@chromium.org"> | 
|  | <link rel="help" href="https://drafts.csswg.org/css-backgrounds/#border-image-outset"> | 
|  | <meta name="assert" content="border-image-outset supports the full grammar '[ <length> | <number> ]{1,4}'."> | 
|  | <script src="/resources/testharness.js"></script> | 
|  | <script src="/resources/testharnessreport.js"></script> | 
|  | <script src="/css/support/parsing-testcommon.js"></script> | 
|  | </head> | 
|  | <body> | 
|  | <script> | 
|  | test_valid_value("border-image-outset", "1px"); | 
|  | test_valid_value("border-image-outset", "2"); | 
|  | test_valid_value("border-image-outset", "1px 2 3px 4"); | 
|  | </script> | 
|  | </body> | 
|  | </html> |