1 2 3 4 5 6 7 8 9 10 11 12
<!DOCTYPE html> <html> <meta charset="UTF-8"> <body> <div style="display: flex;"> <div style="padding: calc(50%);"></div> <div style="padding: 4px; flex: 0 999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999;"></div> </div> </body> </html>