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