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