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