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