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