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