column-gap-decorations-039-ref.html

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<!DOCTYPE html>

<link rel="author" title="Javier Contreras" href="mailto:javiercon@microsoft.com">

<link rel="help" href="https://drafts.csswg.org/css-gaps-1/#break">

<link rel="help" href="https://drafts.csswg.org/css-grid-3/">

<style>

  body { margin: 0; }

  .lanes {

    display: grid-lanes;

    grid-template-columns: repeat(2, 60px);

    column-gap: 20px;

    row-gap: 20px;

    background: #cdd5e0;

    width: max-content;

  .lanes > div {

    background: #5b8def;

  .lanes > div.a { grid-column: 1; height: 40px; }

  .lanes > div.b { grid-column: 1; height: 40px; }

  .lanes > div.c { grid-column: 1; height: 100px; }

  .lanes > div.d { grid-column: 2; height: 40px; }

  .lanes > div.e { grid-column: 2; height: 100px; }

  .lanes > div.f { grid-column: 2; height: 40px; }

  .col-rule { position: absolute; width: 0; border-left: 4px solid blue; }

  .row-rule { position: absolute; height: 0; border-top: 4px solid gold; }

</style>

<div class="lanes">

  <div class="a"></div>

  <div class="d"></div>

  <div class="b"></div>

  <div class="e"></div>

  <div class="c"></div>

  <div class="f"></div>

</div>

<div class="col-rule" style="left: 68px; top: 0; height: 40px;"></div>

<div class="col-rule" style="left: 68px; top: 60px; height: 40px;"></div>

<div class="col-rule" style="left: 68px; top: 120px; height: 40px;"></div>

<div class="col-rule" style="left: 68px; top: 180px; height: 40px;"></div>

<div class="row-rule" style="top: 48px; left: 0; width: 60px;"></div>

<div class="row-rule" style="top: 108px; left: 0; width: 60px;"></div>

<div class="row-rule" style="top: 48px; left: 80px; width: 60px;"></div>

<div class="row-rule" style="top: 168px; left: 80px; width: 60px;"></div>