추적: • box_shadow
,

Box Shadow

http://www.cssmatic.com/box-shadow 

box-shadow: inset 0px 0px 5px 5px rgba(0,0,0,0.2);

바깥 음영

box-shadow: 0px 0px 10px 0px rgba(0,0,0,0.75);
border-radius:1em;