Create box arrows using css




Create box arrows using CSS3










CSS Border



BASIC HTML & CSS




<html>
<head>
<style>
.bubble {
   margin: 50px;
   padding: 50px;
   position: relative;
}
.bubble:after {
   content: "";
   position: absolute;
   top: 100%;
   left: 20px;
   border-top: 20px solid blue;
   border-top-color: inherit; 
   border-left: 20px solid transparent;
   border-right: 20px solid transparent; 
}
</style>
</head>
<div class="bubble" style="background: red; border-color: red;">
</div><div class="bubble" style="background: green; border-color: green;"></div>
</html>