| <!DOCTYPE HTML> | 
 | <html><head> | 
 |   <meta charset="utf-8"> | 
 |   <title>CSS Grid Test: The subgrid is always stretched in its subgridded dimension(s)</title> | 
 |   <link rel="author" title="Matt Woodrow" href="mailto:mattwoodrow@apple.com"> | 
 |   <link rel="help" href="https://drafts.csswg.org/css-grid-2/#subgrid-box-alignment"> | 
 |   <style> | 
 |    body { | 
 |      margin: 0; | 
 |    } | 
 |   .grid { | 
 |     display: inline-block; | 
 |     width: 100px; | 
 |     height: 100px; | 
 |     background-color: blue; | 
 |   } | 
 |   </style> | 
 | </head> | 
 | <body> | 
 |   <div class="grid"></div> | 
 |   <div class="grid"></div> | 
 |   <div class="grid"></div> | 
 |   <div class="grid"></div> | 
 |  | 
 |   <div class="grid"></div> | 
 |   <div class="grid"></div> | 
 |   <div class="grid"></div> | 
 |   <div class="grid"></div> | 
 |  | 
 |   <br> | 
 |  | 
 |   <div class="grid"></div> | 
 |   <div class="grid"></div> | 
 |   <div class="grid"></div> | 
 |   <div class="grid"></div> | 
 |   <div class="grid"></div> | 
 |   <div class="grid"></div> | 
 |   <div class="grid"></div> | 
 |   <div class="grid"></div> | 
 |  | 
 | </body> | 
 | </html> |