ทำเสร็จแล้ว (ปอนด์-ภาณุพงศ์ 63070132)
✨ PANUPONG KEAWKAM
<html> <head> <style> body{ padding: 0; width: 100%; height: 100%; margin: 0; } .box-1 { position: relative; float: left; width: 20%; height: 20%; background: green; } .box-2 { position: relative; float: left; width: 20%; height: 20%; background: black; } </style> </head> <body> <!-- ห้ามแก้ HTML --> <div class="box-1"> </div> <div class="box-2"> </div> <div class="box-1"> </div> <div class="box-2"> </div> <div class="box-1"> </div> <div class="box-2"> </div> <div class="box-1"> </div> <div class="box-2"> </div> <div class="box-1"> </div> <div class="box-2"> </div> <div class="box-1"> </div> <div class="box-2"> </div> <div class="box-1"> </div> <div class="box-2"> </div> <div class="box-1"> </div> <div class="box-2"> </div> <div class="box-1"> </div> <div class="box-2"> </div> <div class="box-1"> </div> <div class="box-2"> </div> <div class="box-1"> </div> <div class="box-2"> </div> <div class="box-1"> </div> <div class="box-2"> </div> <div class="box-1"> </div> </body> </html>