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              <h2>Nested grid</h2>

<p>Here I am nesting a grid, the inner grid doesn't quite line up. I want subgrid so the inner can line up with the outer.</p>

<div class="wrapper">
  <div class="box">1</div>
  <div class="box nested">
    <div class="box">9</div>
    <div class="box">10</div>
    <div class="box">11</div>
    <div class="box">12</div>  
  </div>
  <div class="box">3</div>
  <div class="box">4</div>
  <div class="box">5</div>
  <div class="box">6</div>
  <div class="box">7</div>
  <div class="box">8</div>
  
</div>


<h2>display: contents</h2>

<p>Using the same markup demonstrates that display: contents does not solve this issue. We lose the outer box style and also the elements inside now are not contained by the cell. They participate in the overall auto-placement.</p>
<div class="wrapper">
  <div class="box">1</div>
  <div class="box contents">
    <div class="box">9</div>
    <div class="box">10</div>
    <div class="box">11</div>
    <div class="box">12</div>  
  </div>
  <div class="box">3</div>
  <div class="box">4</div>
  <div class="box">5</div>
  <div class="box">6</div>
  <div class="box">7</div>
  <div class="box">8</div>
  
</div>
            
          
!
            
              body {
  margin: 40px;
}

.box {
  background-color: #444;
  color: #fff;
  border-radius: 5px;
  padding: 20px;
  font-size: 150%;
}

.box > .box {
  background-color: #ccc;
}

.nested {
  grid-column-end: span 2;
  display: grid;
  grid-gap: 20px;
  grid-template-columns: 1.5fr 2fr;
}

.contents {
  display: contents;
}


	.wrapper {
		display: grid;
    grid-gap: 20px;
		grid-template-columns: 1fr 1.5fr 2fr;
	}
            
          
!
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