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