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