css-flex-1-ref.html (277B)
1 <!DOCTYPE html> 2 <html> 3 <head> 4 <style> 5 body { margin: 0 } 6 div.ref { 7 border: 1px solid black; 8 box-sizing: border-box; 9 background: green; 10 height: 50px; 11 width: 100px; 12 } 13 </style> 14 </head> 15 <body> 16 <div class="ref"></div> 17 </body> 18 </html>