Edit the font used in a chart.
po_font(d3po, family = "Fira Sans", size = 16, transform = "none")Appends custom font to an 'htmlwidgets' object
Either the output of d3po() or d3po_proxy().
family font to use ("Roboto", "Merriweather", etc.).
size to use (10, 11, 12, etc. overrides auto-sizing).
transformation to use for the title ("lowercase", "uppercase", "capitalize", "none").