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