|  | <!DOCTYPE html> | 
|  | <html> | 
|  | <head> | 
|  | <meta charset="utf-8"> | 
|  | <title>CSS Backgrounds and Borders Module Level 3: parsing background-position 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/#background-position"> | 
|  | <meta name="assert" content="background-position supports the full grammar '<bg-position>'."> | 
|  | <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("background-position", "1px", ["1px", "1px center"]); | 
|  | test_valid_value("background-position", "1px center", ["1px", "1px center"]); | 
|  | test_valid_value("background-position", "-2% -3%"); | 
|  | test_valid_value("background-position", "5% top"); | 
|  | test_valid_value("background-position", "center", ["center", "center center"]); | 
|  | test_valid_value("background-position", "center center", ["center", "center center"]); | 
|  | test_valid_value("background-position", "center 6px"); | 
|  | test_valid_value("background-position", "center left", ["left center", "left"]); | 
|  | test_valid_value("background-position", "center right 7%", "right 7% center"); | 
|  | test_valid_value("background-position", "center bottom", ["center bottom", "bottom"]); | 
|  | test_valid_value("background-position", "center top 8px", ["center top 8px", "center 8px"]); | 
|  | test_valid_value("background-position", "left", ["left center", "left"]); | 
|  | test_valid_value("background-position", "right 9%"); | 
|  | test_valid_value("background-position", "left 10px center", ["left 10px center", "10px"]); | 
|  | test_valid_value("background-position", "right 11% bottom", ["right 11% bottom", "right 11% bottom 0%"]); // "right 11% bottom 0%" in Edge | 
|  | test_valid_value("background-position", "left 12px top 13px", ["left 12px top 13px", "12px 13px"]); | 
|  | test_valid_value("background-position", "right center", ["right center", "right"]); | 
|  | test_valid_value("background-position", "left bottom"); | 
|  | test_valid_value("background-position", "right top 14%", ["right top 14%", "right 14%"]); | 
|  | test_valid_value("background-position", "bottom", ["center bottom", "bottom"]); | 
|  | test_valid_value("background-position", "top 15px center", ["center top 15px", "center 15px"]); | 
|  | test_valid_value("background-position", "bottom 16% left", ["left bottom 16%", "left 0% bottom 16%"]); // "left 0% bottom 16%" in Edge | 
|  | test_valid_value("background-position", "top 17px right 18px", "right 18px top 17px"); | 
|  | test_valid_value("background-position", "bottom center", ["center bottom", "bottom"]); | 
|  | test_valid_value("background-position", "top left", "left top"); | 
|  | test_valid_value("background-position", "bottom right 19%", ["right 19% bottom", "right 19% bottom 0%"]); // "right 19% bottom 0%" in Edge | 
|  | test_valid_value("background-position", "20% 0%"); | 
|  | test_valid_value("background-position", "0% 0%"); | 
|  | test_valid_value("background-position", "0%", ["0%", "0% center"]); | 
|  | test_valid_value("background-position", "0% center", ["0%", "0% center"]); | 
|  | test_valid_value("background-position", "center 0%"); | 
|  | </script> | 
|  | </body> | 
|  | </html> |