<html> <style> div{ width:150px; height:150px; background-color:yellow; border:5px solid rgba(26,161,242,1); border-radius:15px; } </style><body> <div style=" box-shadow:-15px 0px rgba(0,0,0,0.2);"></div> <br><div style="box-shadow:5px 0px rgba(0,0,0,0.2);"></div> <br><div style="box-shadow:15px 0px rgba(0,0,0,0.2);"></div> </body></html>