<!DOCTYPE HTML> <html> <head> <style> div { position:absolute; width:7px; height:7px; } .r { top:0; left:0; background:red; } .g { top:0; left:9px; background:lime; } .b { top:9px; left:0; background:blue; } .y { top:9px; left:9px; background:yellow; } </style> </head> <body> <div style="left:256px; top:0;"> <div class="r"></div> <div class="g"></div> <div class="b"></div> <div class="y"></div> </div> <div style="left:272px; top:0;"> <div class="r"></div> <div class="g"></div> <div class="b"></div> <div class="y"></div> </div> </body> </html>