24. 'Div'ide and conquer(div)

<!DOCTYPE html>
<html>
   <head>
       <title>Result</title>
   </head>
   <body>
       <div style="width:50px; height:50px; background-color:red"></div>
       <div style="width:50px; height:50px; background-color:blue"></div>
       <div style="width:50px; height:50px; background-color:green"></div>
       <div style="width:50px; height:50px; background-color:yellow"></div>
   </body>
</html>