_font-declarations.scss

/*
  This is the place to declare all fonts to be used in the document by using the font-declaration
  mixin or the targeted ebook-font-declaration mixin
*/

// We're using a different font for headings. Declare it here to keep all font declarations in one place
.fontface h1
.fontface h2
.fontface h3
.fontface h4
.fontface h5
.fontface h6 {
  @include font-declaration("museo-slab", 700, normal);
}