Element block pseudo-element :before generated with box-sizing content-box box-shadow 1px 1px 1px rgba(0,0,0,0.3) position static border 5px rgba(255,255,255,1) solid display block height auto overflow hidden padding 20px transform line-height 1 cursor default transition border-radius font-weight normal float none margin 0px background width 160px font-size 16px text-shadow 1px 1px 1px rgba(0,0,0,0.2) z-index auto