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