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