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