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