<html> <head> <style> div.fondo { width: 320px; height: 320px; padding: 150px 0 0 150px; background-color: #E7F1FA; } div.caja { width: 150px; height: 150px; background-color: #EAF3FA; box-shadow: 30px 0px 40px rgba(55,84,155,0.1), -30px -30px 40px #F3F8FE, 4px 1px 20px rgba(255,255,255,0.1) inset; border-radius: 30px; } </style> </head> <div class="fondo"> <div class="caja"></div> </div> </html>...