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