Element block pseudo-element :after generated with cursor default display block opacity 1 overflow hidden padding 20px border-radius font-size 16px box-sizing content-box height auto outline none float none text-shadow 1px 1px 1px rgba(0,0,0,0.2) z-index auto margin 0px transform width 320px transition background box-shadow 1px 1px 1px rgba(0,0,0,0.3) border 9px rgba(0,0,0,1) solid line-height 1 font-weight normal position static