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