<main>
  <div class="wrapper">
    <article class="flow">
      <h1>Repeating fixed size tracks</h1>
      <figure class="callout">
        <p>In this example there will be as many tracks as will fit into the container with a fixed size of 200px. Resize the editor panel to see the grid change.</p>
        <p><code>grid-template-columns: repeat(auto-fill, 200px);</code></p>
      </figure>

      <div class="container" id="container">
        <div class="box">Item one</div>
        <div class="box">Item two</div>
        <div class="box">Item three</div>
        <div class="box">Item four</div>
        <div class="box">Item five</div>
        <div class="box">Item six</div>
        <div class="box">Item seven</div>
        <div class="box">Item eight</div>
      </div>
    </article>
  </div>
</main>

:root {
  --var-col: 1fr;
}

.container {
  display: grid;
  grid-template-columns: repeat(auto-fill, 200px);
  gap: 10px;
  background-color: var(--color-stroke);
  padding: 1em;
  max-width: 70rem;
}

select {
  min-width: unset;
}