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<!DOCTYPE html>
<style>
.container {
  display: grid;
  grid-template-columns: repeat(3, 100px);
  gap: 10px;
}
.box {
  width: 100px;
  height: 100px;
}
.green {
  background-color: green;
}
</style>
<p>The test passes if there are three green boxes with no red.</p>
<div class="container">
  <div class="box green"></div>
  <div class="box green"></div>
  <div class="box green"></div>
</div>