| <!DOCTYPE html> | 
 | <title>CSS Test: background-size: cover with zero-sized background positioning area.</title> | 
 | <link rel="help" href="https://drafts.csswg.org/css-backgrounds/#valdef-background-size-cover"> | 
 | <link rel="help" href="https://github.com/w3c/csswg-drafts/issues/4049"> | 
 | <link rel="help" href=" https://bugzilla.mozilla.org/show_bug.cgi?id=1559094"> | 
 | <link rel="author" href="mailto:emilio@crisal.io" title="Emilio Cobos Álvarez"> | 
 | <link rel="author" href="https://mozilla.org" title="Mozilla"> | 
 | <link rel="match" href="background-size-cover-003-ref.html"> | 
 | <meta name="fuzzy" content="maxDifference=0-255;totalPixels=0-1"> | 
 | <style> | 
 | body { margin: 0 } | 
 | div { | 
 |   background-size: cover; | 
 |   background-repeat: no-repeat; | 
 |   background-position: top left; | 
 |   background-origin: content-box; | 
 |   background-image: url(/images/green-100x50.png); | 
 | } | 
 | #test1 { | 
 |   height: 0; | 
 |   width: 100px; | 
 |   padding-bottom: 100px; | 
 | } | 
 |  | 
 | #test2 { | 
 |   height: 100px; | 
 |   width: 0; | 
 |   padding-right: 100px; | 
 | } | 
 | #test3 { | 
 |   height: 0; | 
 |   width: 0; | 
 |   padding-right: 100px; | 
 |   padding-bottom: 100px; | 
 | } | 
 | </style> | 
 | <div id="test1"></div> | 
 | <div id="test2"></div> | 
 | <div id="test3"></div> |