<div class="wrap">
  <div class="child">
    I'm an element that is block-like with my siblings and we're centered in a row.
  </div>
    <div class="child">
    I'm an element that is block-like with my siblings and we're centered in a row. Differently, I have more content in me than my siblings do.
  </div>
    <div class="child">
    I'm an element that is block-like with my siblings and we're centered in a row.
  </div>
</div>
body {
  background: #f06d06;
}
.wrap {
  display: flex;
  justify-content: center;
  min-width: 400px;
}
.child {
  width: 100px;
  color: #666;
  background: #fff;
  border-radius: 5px;
  margin: 5px;
  padding: 10px;
}

External CSS

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External JavaScript

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