Element block pseudo-element :after generated with font-size 16px background border-radius box-sizing content-box margin 0px display block height auto cursor default text-shadow -1px -1px 0px rgba(255,255,255,0.2) border 0px rgba(0,0,0,1) solid box-shadow width auto overflow visible transform transition font-weight normal z-index auto line-height 1 padding 0px float none position static