CSS 使用CSS进行垂直和水平居中

Posted 2021-05-23

.center {
  position: absolute;
  top:0; right:0; bottom:0; left:0;
  margin: auto;

  left:expression(this.parentNode.clientWidth/2 - this.clientWidth/2   " px");
  top:expression(this.parentNode.clientHeight/2 - this.clientHeight/2   " px");
  
  width: 60%;
  height: 60%;
}