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