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