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