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