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