Input
Output
<!DOCTYPE html> <html lang="en"> <head> <style> .container { display: flex; justify-content: space-between; align-items: center; background-color: lightgray; height: 100px; } .box { width: 100px; height: 50px; background-color: lightblue; } </style> </head> <body> <div class="container"> <div class="box">Box 1</div> <div class="box">Box 2</div> <div class="box">Box 3</div> </div> </body> </html>