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