相关疑难解决方法(0)

.parent {
  display: flex;
  flex-direction: column;
  width: 400px;
  border: 1px solid red;
  align-items: center;
}
.child {
  border: 1px solid blue;
}

<div class="parent">
  <div class="child">
    Lorem Ipsum is simply dummy text of the printing and typesetting industry
  </div>
  <div class="child">
    Lorem Ipsum is simply dummy text of the printing and typesetting industry
  </div>
</div>