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