css 这是一些以下拉菜单为中心的CSS

Posted 2021-05-13

nav ul ul {
    display:none;
    position: absolute;
    top: 100%; /*sets the top edge of the element above/below top edge of nearest ancestor*/
  left:50%;
  transform:translateX(-50%);
}

/* https://css-tricks.com/forums/topic/center-align-drop-down-list-inside-a-drop-down-menu/ */