<div class="container">
  <p>Qoomeiの備忘録</p>
  <img class="badge" src="https://qoomei.com/wp-content/uploads/2022/04/badge.png">
</div>

.container {
  border: solid 1px black;
  width: 250px;
  padding: 10px;
  position: relative;
}
.badge {
  position: absolute;
  bottom: -25px;
  right: -25px;
}

External CSS

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External JavaScript

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