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