css 使用flexbox中心div

Posted 2021-05-13

/* unknown width */
.supercenter {
  display: flex;
  justify-content: center;
  align-items: center;
}


/* known width */

.parent {
  display: flex;
  height: 300px; /* Or whatever */
}

.child {
  width: 100px;  /* Or whatever */
  height: 100px; /* Or whatever */
  margin: auto;  /* Magic! */
}