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