grid-masonry-002.html

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<title>Examples of 'column-rule-extent: all-*' values in a Masonry grid layout.</title>

<style>

.grid {

  position: relative;

  display: inline-grid;

  grid: masonry / 3ch 4ch 5ch;

  gap: 20px;

  margin-right: 20px;

  margin-bottom: 40px;

  background: lightgrey;

  block-size: 160px;

  align-content: center;

  align-tracks: center;

  column-rule: solid blue;

  column-rule-align: rule;

  row-rule: 6px solid purple;

  row-rule-align: rule;

.all-start { column-rule-extent: all-start;  column-rule-lateral-inset-start: 0; }

.all-end { column-rule-extent: all-end;  column-rule-lateral-inset-end: 0; }

.all-short { column-rule-extent: all-short; }

.all-long { column-rule-extent: all-long; }

x {

  background: grey;

  opacity: 0.5;

x:nth-child(1) { }

x:nth-child(2) {  }

x:nth-child(3) { padding-block-end: 30px;  }

x:nth-child(7) { }

x:nth-child(8) { padding-block-end: 20px;  }

.grid::after {

  position: absolute;

  bottom: -2.5em;

  font-size: 10px;

  font-style: italic;

  vertical-align: top;

  content: attr(test);

  white-space: pre;

pre { font-size: 10px; }

</style>

<pre>All have 'row-rule-align: rule' to make the purple rules

align with the nearest edge of the blue column rules.

In the bottom two grids, 'column-rule-lateral-inset-start/end'

is zero, respectively, to make the blue rule attach to the side

of the track that it used for its longitudinal sizing.

</pre>

<div class="grid all-short"><x>1</x><x>2</x><x>3</x><x>4</x><x>5</x><x>6</x><x>7</x><x>8</x></div>

<div class="grid all-long"><x>1</x><x>2</x><x>3</x><x>4</x><x>5</x><x>6</x><x>7</x><x>8</x></div><br>

<div class="grid all-start"><x>1</x><x>2</x><x>3</x><x>4</x><x>5</x><x>6</x><x>7</x><x>8</x></div>

<div class="grid all-end"><x>1</x><x>2</x><x>3</x><x>4</x><x>5</x><x>6</x><x>7</x><x>8</x></div><br>

<script>

window.onload = function() {

  [...document.querySelectorAll('.grid')].forEach(function(elm) {

    const cs = window.getComputedStyle(elm);

    var inset = cs.columnRuleLateralInsetStart + " " + cs.columnRuleLateralInsetEnd;

    inset = inset != "auto auto" ? ("\n" + "'column-rule-lateral-inset: " + inset) : "";

    elm.setAttribute("test",

      "'column-rule-extent: " + cs.columnRuleExtent + inset

);

});

</script>