child 元素通过设置 position: absolute 和 top、left 属性相对于 parent 元素定位。
正确的是：只要父级元素设了position并且不是static（默认既是static），那么设定了absolute的子元素即以此...
重点是:父div一定要有position属性(不管relative还是absolute),子div就可以设置position:absolute,这时子div的位置是相对父div是固定的。 以下自己根据文章自己加了些改动,主要是测试当父div内部追加了div之后,看原来的子div的位置是否受影响,事实证明没影响。 .parent { width:250px; height:250px; background-colo...
right，bottom，left来定位自己与拥有position: absolute或position: relative的最近祖先的关系”。
css div position to parent To position an element "fixed" relative to a parent element, you wantposition:absoluteon the child element, and any position mode other than the default or static on your parent element. For example: #parentDiv{position:relative; }#childDiv{position:absolute;left:50...
{ width:100%; height: 0; padding-top:56.25%; background-color: pink; position: relative; } .child { width:100%; height:100%; background-color: black; position: absolute; } this is parent this is child 显示如下: 我如果去掉child的position:absolute,那么结果显示如下: 这个我就...
To some, this is obvious. To others, this may be one of thoseCSS “Ah-ha!” Moments. I remember it being a big deal for me when I first “got it”. Here is a visual: The relative positioning on the parent is thebig dealhere. Look what would happen if you forgot that: ...
position: absolute; } div:nth-of-type(2){ width: 200px; height: 200px; background-color: pink; position: absolute; } div:nth-of-type(3){ width: 100px; height: 100px;
position: absolute Can be offset with top, right, bottom and left. Offset relative toits nearest relative-type positioned parent. Creates relative-type positioning context for children. position: fixed Can be offset with top, right, bottom and left. ...
As the parent is positioned relative to the grandparent with bottom:0px; then it is given a position:absolute. The child which is positioned top right of it’s parent is also position:absolute; with top:0px; and right:0px; and the grandparent has the CSS property position:relative;....