使用HTML和Css实现同一行中的三个圆圈

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

.circle-container {
  display: flex;
  justify-content: space-between;
}

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

.circle {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background-color: #000;
}