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