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