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