我有一个类似这样的页面结构:
<body>
<div id="parent">
<div id="childRightCol">
/*Content*/
</div>
<div id="childLeftCol">
/*Content*/
</div>
</div>
</body>
我想为父div扩大高度时，内部div的高度增加。
编辑: 一个问题是，如果子内容的宽度扩展超过浏览器窗口的宽度，我目前的CSS把一个水平滚动条上的父div。我希望滚动条是在页面级别。目前我的父div被设置为溢出:auto;
你能帮我做这个的CSS吗?
当前回答
对于那些不能从这个答案中找到答案的人:
尝试设置填充值大于0，如果子div有margin-top或margin-bottom，你可以用填充替换它
例如，如果你有
#childRightCol
{
margin-top: 30px;
}
#childLeftCol
{
margin-bottom: 20px;
}
最好将其替换为:
#parent
{
padding: 30px 0px 20px 0px;
}
其他回答
你正在寻找一个2列CSS布局?
如果是这样，看看说明，开始是非常简单的。
如果你在#childRightCol和#childRightCol中的内容是向左或向右浮动的，只需将其添加到css中:
#childRightCol:before { display: table; content: " "; }
#childRightCol:after { display: table; content: " "; clear: both; }
#childLeftCol:before { display: table; content: " "; }
#childLeftCol:after { display: table; content: " "; clear: both; }
这是规范所描述的功能-这里的几个答案是有效的，并与以下内容一致:
If it has block-level children, the height is the distance between the top border-edge of the topmost block-level child box that doesn't have margins collapsed through it and the bottom border-edge of the bottommost block-level child box that doesn't have margins collapsed through it. However, if the element has a nonzero top padding and/or top border, or is the root element, then the content starts at the top margin edge of the topmost child. (The first case expresses the fact that the top and bottom margins of the element collapse with those of the topmost and bottommost children, while in the second case the presence of the padding/border prevents the top margins from collapsing.) Similarly, if the element has a nonzero bottom padding and/or bottom border, then the content ends at the bottom margin edge of the bottommost child.
网址:https://www.w3.org/TR/css3-box/#blockwidth
这是你想要的吗?
.childRightCol, .childLeftCol
{
display: inline-block;
width: 50%;
margin: 0;
padding: 0;
vertical-align: top;
}
您必须在父容器上应用clearfix解决方案。这里有一篇很好的文章解释了修复链接
