source code of this Rmd is here: https://gist.github.com/yutannihilation/7d05bf4c34970258e693

Install

devtools::install_github("yutannihilation/htmlwidgets", ref="knit_print-with-iframe")

No options

`widget.height = 300, widget.width = "50%"

widget.styles=list(`border`='10px solid red')