Html 连续的相同 colored颜色 单元格应位于同一列、网格框中

.container {
  display: grid;
  width: 100%;
  grid-template-columns: repeat(auto-fit, minmax(0px, 1fr));
  gap: 5px 10px;
  background-color: steelblue;
  grid-auto-flow: column; /* added */
}

.field {
  background-color: black;
  box-shadow: inset 0px 0px 2px #ffffff;
  height: 20px;
  color: white;
  text-align: center;
  grid-row: 1;  /* added */
}

.second-row {
  grid-row-start: 2;
}


/* colours */

.colour-black {
  background: black;
}

.colour-blue {
  background: blue;
}

.colour-yellow {
  background: yellow;
}

.colour-red {
  background: red;
}

.colour-orange {
  background: orange;
}

.colour-purple {
  background: purple;
}

.colour-green {
  background: green;
}

.colour-brown {
  background: brown;
}

.colour-violet {
  background: violet;
}

<div class="container">
  <div class="field colour-black">1</div>
  <div class="field colour-blue">2</div>
  <div class="field colour-blue second-row">3</div>
  <div class="field colour-green">4</div>
  <div class="field colour-brown">5</div>
  <div class="field colour-orange">6</div>
  <div class="field colour-purple">7</div>
  <div class="field colour-red">8</div>
  <div class="field colour-red second-row">9</div>
  <div class="field colour-violet">10</div>
</div>