CSS Print examples

@page

• @page
  • size
  • margin
  • bleed (not [yet] supported atm)
  • marks (not [yet] supported atm)

@page{
    size: A4 portrait;
    margin: 20mm 30mm;
    bleed: 3mm;
    marks: crop;
}

https://developer.mozilla.org/en-US/docs/Web/CSS/@page

https://pagedjs.org/documentation/5-web-design-for-print/#crop-and-cross-marks

You can use different @page selectors:

• @page :left, @page :right
• @page :first
• @page :blank
• @page :nth(1) (not [yet] supported atm)
• @page: groupname + @page groupname (not [yet] supported atm)

@page:first

@page:first {
  @bottom-center { 
    content: ""; 
  }
  @bottom-right { 
    content: ""; 
  }
}

@page:right @page:left

@page:right {
  margin-left: 3cm; /*inner*/
  margin-right:1cm; /*outer*/ 
  
  @bottom-right {
    content: "Testing 123!!!";
  }
  
  @bottom-center {
    content: "Testing margin notes";
  }
}

---

@page:left {
  margin-right: 10mm; /*inner*/
  margin-left: 15mm; /*outer*/

  @bottom-left {
    content: "Testing margin notes";
  }

  @bottom-center {
    content: "More margin notes";
  }
}

@page named groups

@page custom{
  background-color: lightyellow;
  
  @bottom-center {
    content: "Testing margin notes";
  }
}

section#custom{
  page: custom;
}

@page margin at-rules

• @top-left{} (not [yet] supported atm)
• @left-bottom{} (not [yet] supported atm)
• @bottom-center{} (not [yet] supported atm)
• etc.

@page{
    @bottom-center{
        background-color: aqua;
        content: "This is a small note in the bottom margin."
    }
}

https://developer.mozilla.org/en-US/docs/Web/CSS/@page#margin_at-rules

@page margin at-rules boxes, image from Paged.js.

pagenumbers

@page{

    @bottom-left{
        content: counter(page);
    }
}

pagebreaks

• break-before
• break-after

Force page breaks before each h1:

h1 {
  break-before: always;
}

Start a section on the right page:

section {
  break-before: right;
}

https://devdocs.io/css/break-before

https://devdocs.io/css/break-after

hyphens

html{
    hyphens: auto;
    hyphenate-limit-chars: 8;
}

running headers and footers

• content(), string() - named strings (not [yet] supported atm)
• running(), element() - running elements (not [yet] supported atm)

@page{
    @top-center{
        background-color: lavendar;
        content: string(myTitle);
    }
}
h1{
    string-set: myTitle content(text);
}

https://pagedjs.org/documentation/7-generated-content-in-margin-boxes/#named-string%3A-classical-running-headers%2Ffooters

page counters

• counter() (not [yet] supported atm)

@page{
    @bottom-center{
        content: counter(page);
    }
}

https://www.w3.org/TR/css-page-3/#page-based-counters

cross-referencing

• target-counter() (not [yet] supported atm)
• target-text() (not [yet] supported atm)

<h1 id="maintitle">Protocols for an Active Archive (shownotes week 3)</h1>

<p>Some text that refer to the <a class="link" href="#maintitle">title</a>.</p>

.link::after {
  content: " (which is: " target-text(attr(href url)) ")";
}

https://www.w3.org/TR/css-gcpm-3/#target-counter + https://pagedjs.org/documentation/-cross-references/#target-counter()

https://www.w3.org/TR/css-gcpm-3/#target-text + https://pagedjs.org/documentation/-cross-references/#target-text()

display links in print

a[href]:after {
	content: ' (' attr(href) ')';
}

Links

CSS Print documentation

also called referred to as "CSS Paged Media"

• https://developer.mozilla.org/en-US/docs/Web/CSS/Paged_Media

Media queries: @media print, @media screen

• https://developer.mozilla.org/en-US/docs/Web/CSS/@media
• https://developer.mozilla.org/en-US/docs/Web/Guide/Printing

See also

• CSS Print