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