|  | <!DOCTYPE html> | 
|  | <link rel="author" title="Psychpsyo" href="mailto:psychpsyo@gmail.com" /> | 
|  | <style> | 
|  | :root { | 
|  | print-color-adjust: exact; | 
|  | } | 
|  | </style> | 
|  | <p style="height: 50vh">Test passes if there is two purple rectangles at the start of both page 2 and 3 when printing the page (Ctrl+P, with "print backgrounds" enabled).</p> | 
|  | <div style="display:grid; grid-template-columns:1fr 1fr; break-before:page;"> | 
|  | <div style="contain:size; height:75vh;"> | 
|  | <div style="height:75vh; width: 100px; background:purple;"></div> | 
|  | </div> | 
|  | <div style="contain:size; height:75vh;"> | 
|  | <div style="height:75vh; width: 100px; background:purple;"></div> | 
|  | </div> | 
|  | </div> | 
|  | <div style="display:grid; grid-template-columns:1fr 1fr; break-before:page;"> | 
|  | <div style="contain:size; height:75vh;"> | 
|  | <div style="height:75vh; width: 100px; background:purple;"></div> | 
|  | </div> | 
|  | <div style="contain:size; height:75vh;"> | 
|  | <div style="height:75vh; width: 100px; background:purple;"></div> | 
|  | </div> | 
|  | </div> |