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