CSS - Put a div in the middle of another div

标签：middle   ati   position   pre   center   not   ica   cal   and   

Horizontally center:

.div_out {
  width: 100vw;
  height: 100vh;
  display: flex;
  justify-content: center;
}

.div_in {
  width: 80%;
  height: 80%;
  background-image: url(../images/bg.jpg);
  background-size: 100% 100%;
}

Both horizontally and vertically center:

.div_out {
  width: 100vw;
  height: 100vh;
}

.div_in {
  width: 80%;
  height: 80%;
  background-image: url(../images/bg.jpg);
  background-size: 100% 100%;
  position: relative;
  left: 10%;
  top: 10%;
}

CSS - Put a div in the middle of another div

标签：middle   ati   position   pre   center   not   ica   cal   and   

原文地址：https://www.cnblogs.com/zhangzhihui/p/12787830.html