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