<div class="container">
  <div class="item">1</div>
  <div class="item">2</div>
  <div class="item">3</div>
  <div class="item">4</div>
  <div class="item">5</div>
</div>
.container {
  width:350px;
  height:300px;
  border: 4px solid;
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
}

.container .item {
  width: 100px;
  height: 100px;
  background-color: orange;
  font-size: 40px;
  border: 2px solid;
}

.container .item:nth-child(1) {
  align-self: flex-start;
}

External CSS

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External JavaScript

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