Bootstrap 4中一个圆圈内的水平和垂直居中图像

<div class="circle-container"></div>

<div class="circle-container">
  <img src="image.jpg" alt="Image" class="center-image">
</div>

.circle-container {
  width: 200px;
  height: 200px;
  border-radius: 50%;
  background-color: #ccc;
  display: flex;
  justify-content: center;
  align-items: center;
}

.center-image {
  max-width: 100%;
  max-height: 100%;
}