<!DOCTYPE html>
<link rel="author" title="Morten Stenshorne" href="mailto:[email protected]">
<link rel="help" href="https://drafts.csswg.org/css-page-3/#margin-dimension">
<meta name="assert" content="Margins around margin boxes.">
<meta name="flags" content="ahem">
<link rel="stylesheet" type="text/css" href="/fonts/ahem.css">
<link rel="match" href="dimensions-012-print-ref.html">
<style>
@page {
margin: 4em 5em 8em 7em;
width: 20em;
height: 16em;
font: 16px/1 Ahem;
white-space: pre-wrap;
@top-left-corner {
vertical-align: top;
text-align: left;
margin: auto;
width: fit-content;
height: fit-content;
content: "x x\a\a0x\ax x";
background: pink;
}
/* Top-left has a min content width of 3em. Top-right has an inner min
content width of 2em. Additionally, it has 25% margins on each side. In
the horizontal direction that means 20em*0.25 = 5em on each side. Outer
min content width for top-right becomes 12em.
Available space is 20em. Unused space is 5em. Total flex is 15. Left flex
is 3. Right flex is 12.
Left outer width: 3em + 5em*3/15 = 4em
Right outer width: 12em + 5em*12/15 = 16em */
@top-left {
vertical-align: top;
text-align: left;
content: "xxx";
background: hotpink;
}
@top-right {
vertical-align: top;
text-align: left;
margin: 25%;
content: "xx";
background: yellow;
}
/* Right-top has an inner min content height of 2em. It's margin-top is 1em,
so the outer min content height becomes 3em. Right-bottom has an inner
min content height of 1em. Additionally, it has 25% margins on each side.
In the vertical direction that means 16em*0.25 = 4em on each side. Outer
min content height for right-bottom becomes 9em.
Available space is 16em. Unused space is 4em. Total flex is 12. Top flex
is 3. Bottom flex is 9.
Top outer height: 3em + 4em*3/12 = 4em
Bottom outer height: 9em + 4em*9/12 = 12em */
@right-top {
vertical-align: top;
text-align: left;
margin-top: 1em;
content: "x\ax";
background: hotpink;
}
@right-bottom {
vertical-align: top;
text-align: left;
margin: 25%;
content: "x";
background: yellow;
}
}
body {
background: blue;
}
</style>
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