Element block pseudo-element :after generated with box-sizing content-box padding 20px font-size 16px line-height 1 transform display block cursor default z-index auto overflow hidden float none width 160px border-radius border 0px rgba(0,0,0,1) solid margin 0px transition box-shadow 1px 1px 1px rgba(0,0,0,0.3) background font-weight normal position static height auto text-shadow 1px 1px 1px rgba(0,0,0,0.2)