style-pagedown.css

/* Whole document: */
body{
  font-family: Helvetica;
  font-size: 10pt;
}
/* Headers */
h1{
  font-size: 12pt;
}
/* Headers */
h2,h3,h4,h5,h6{
  font-size: 11pt;
}
/*stop the url printing in links*/
a[href^="http"]:not([class="uri"])::after {
  content: "";
}

@page {
size: 8.5in 11in;
}

@page:left {
  margin-left: 30mm;
  margin-right: 30mm;
  margin-top: 30mm;
  margin-bottom: 30mm;
}

@page:right {
  margin-left: 30mm;
  margin-right: 30mm;
  margin-top: 30mm;
  margin-bottom: 30mm;
}

.title {
  font-size: 18px;
  color: Black;
  text-align: center;
}
.author { /* Header 4 - and the author and data headers use this too  */
  font-size: 13px;
  color: Black;
  text-align: center;
}
.date{ /* Header 4 - and the author and data headers use this too  */
  font-size: 12px;
  color: Black;
  text-align: center;
}

/*set the caption size - this might work with my_kable2 but not sure*/
/* .caption p {
   font-size: 10px;
}*/