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