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