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✨ Chinnatad Prommee
<html> <head> <style> body{ font-size:0; margin:0; } .box1{ display:inline-block; margin-top:0; margin-left:0; background-color:hsl(180,100%,15%); height:20%; width:20%; background-size:cover; } .box2{ display:inline-block; background-size:cover; margin-top:0; margin-left:0; background-color:hsl(180,100%,100%); height:20%; width:20%; } </style> </head> <body> <!-- ห้ามแก้ HTML --> <div class="box1"> </div> <div class="box2"> </div> <div class="box1"> </div> <div class="box2"> </div> <div class="box1"> </div> <div class="box2"> </div> <div class="box1"> </div> <div class="box2"> </div> <div class="box1"> </div> <div class="box2"> </div> <div class="box1"> </div> <div class="box2"> </div> <div class="box1"> </div> <div class="box2"> </div> <div class="box1"> </div> <div class="box2"> </div> <div class="box1"> </div> <div class="box2"> </div> <div class="box1"> </div> <div class="box2"> </div> <div class="box1"> </div> <div class="box2"> </div> <div class="box1"> </div> <div class="box2"> </div> <div class="box1"> </div> </body> </html>