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