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<html><head><style>#grid{ display: grid; height:250px; grid-template-rows: 50px 200px min-content; background-color:lightgreen;}#item1{ min-height:80px; grid-row:3/4; background-color:lightgray; } </style> </head> <body> <div id="grid"> <div id="item1">item1</div> </div></body></html>