CodePen Embed - column-gap

<div class="parent">
  <div class="item">
    item
  </div>
  <div class="item">
    item
  </div>
  <div class="item">
    item
  </div>
  <div class="item">
    item
  </div>
</div>

.parent{
  display: flex;
  column-gap: 20px;
}
.item{
  background-color: yellow;
  padding: 12px;
}

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