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