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