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