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