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