app/assets/stylesheets/responsive/_utils_print.scss
// We want to see where links are pointing, but not everywhere
// so expand links in some places
@mixin expand-links {
a {
font-weight: 700;
text-decoration: none;
color: black;
}
a[href^=http]:after {
content:" (" attr(href) ")";
font-weight: normal;
color: lighten(black, 50%);
font-size: 0.875em;
}
}