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