CSS技巧：如何实现居中对齐的布局

.text-center {
  text-align: center;
}

.img-center {
  display: block;
  margin-left: auto;
  margin-right: auto;
}

.div-center {
  margin-left: auto;
  margin-right: auto;
}

.align-center {
  display: flex;
  justify-content: center;
  align-items: center;
}

.multi-line {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
}

.div-center {
  position: absolute;
  top: 50%;
  left: 50%;
  transfORM: translate(-50%, -50%);
}