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