<button class="btn">
  <span class="background">
    Hello World
  </span>
</button>
.btn {
  width: 100px;
  height: 100px;
  border: none;
  background: transparent;
  padding: 0px;
}

.background {
  display: flex;
  align-items: center;
  width: 100%;
  height: 100%;
  border-radius: 50%;
  background: slateblue;
  color: white;
  font-size: 20px;
  font-weight: 500;
  line-height: 1;
}

.background {
  will-change: transform;
  transition: transform 450ms;
}

.btn:hover .background {
  transition: transform 150ms;
  transform: translateY(-10px);
}

/* Toggle me on for a clue! */
.btn {
  outline: auto;
}

External CSS

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External JavaScript

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