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