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