Element block pseudo-element :before generated with display block position static background box-sizing content-box cursor default border 0px rgba(0,0,0,1) solid height auto border-radius overflow hidden font-size 16px box-shadow 1px 1px 0px rgba(0,0,0,0.5) width 160px text-shadow -1px -1px 0px rgba(255,255,255,0.2) margin 0px float none line-height 1 transition padding 20px font-weight normal z-index auto transform