How to align content of a div to the bottom?-第2页回答

Say I have the following CSS and HTML code:

#header {
  height: 150px;
}

<div id="header">
  <h1>Header title</h1>
  Header content (one or multiple lines)
</div>

The header section is fixed height, but the header content may change. I would like to content of the header to be vertically aligned to the bottom of the header section, so the last line of text "sticks" to the bottom of the header section.

So if there is only one line of text it would be like:

-----------------------------
| Header title
|
|
|
| header content (resulting in one line)
-----------------------------

And if there were three lines:

-----------------------------
| Header title
|
| header content (which is so
| much stuff that it perfectly
| spans over three lines)
-----------------------------

How can this be done in CSS?

标签： html css vertical-alignment

24条回答

春风洒进眼中

2楼-- · 2018-12-31 06:26

After struggling with this same issue for some time, I finally figured out a solution that meets all of my requirements:

Does not require that I know the container's height.
Unlike relative+absolute solutions, the content doesn't float in its own layer (i.e., it embeds normally in the container div).
Works across browsers (IE8+).
Simple to implement.

The solution just takes one <div>, which I call the "aligner":

CSS

.bottom_aligner {
    display: inline-block;
    height: 100%;
    vertical-align: bottom;
    width: 0px;
}

html

<div class="bottom_aligner"></div>
... Your content here ...

This trick works by creating a tall, skinny div, which pushes the text baseline to the bottom of the container.

Here is a complete example that achieves what the OP was asking for. I've made the "bottom_aligner" thick and red for demonstration purposes only.

CSS:

.outer-container {
  border: 2px solid black;
  height: 175px;
  width: 300px;
}

.top-section {
  background: lightgreen;
  height: 50%;
}

.bottom-section {
  background: lightblue;
  height: 50%;
  margin: 8px;
}

.bottom-aligner {
  display: inline-block;
  height: 100%;
  vertical-align: bottom;
  width: 3px;
  background: red;
}

.bottom-content {
  display: inline-block;
}

.top-content {
  padding: 8px;
}

HTML:

<body>
  <div class="outer-container">
    <div class="top-section">
      This text
      <br> is on top.
    </div>
    <div class="bottom-section">
      <div class="bottom-aligner"></div>
      <div class="bottom-content">
        I like it here
        <br> at the bottom.
      </div>
    </div>
  </div>
</body>

Align bottom content

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萌妹纸的霸气范

3楼-- · 2018-12-31 06:26

The modern way to do it would be using flexbox. See the example below. You don't even need to wrap Some text... into any HTML tag, since text directly contained in a flex container is wrapped in an anonymous flex item.

header {
  border: 1px solid blue;
  height: 150px;
  display: flex;                   /* defines flexbox */
  flex-direction: column;          /* top to bottom */
  justify-content: space-between;  /* first item at start, last at end */
}
h1 {
  margin: 0;
}

<header>
  <h1>Header title</h1>
  Some text aligns to the bottom
</header>

If there is only some text and you want to align vertically to the bottom of the container.

section {
  border: 1px solid blue;
  height: 150px;
  display: flex;                   /* defines flexbox */
  align-items: flex-end;           /* bottom of the box */
}

<section>Some text aligns to the bottom</section>

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浅入江南

4楼-- · 2018-12-31 06:27

try with:

div.myclass { margin-top: 100%; }

try changing the % to fix it. Example: 120% or 90% ...etc.

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孤独总比滥情好

5楼-- · 2018-12-31 06:28

I use these properties and it works!

#header {
  display: table-cell;
  vertical-align: bottom;
}

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不流泪的眼

6楼-- · 2018-12-31 06:32

Seems to be working:

HTML: I'm at the bottom

css:

h1.alignBtm {
  line-height: 3em;
}
h1.alignBtm span {
  line-height: 1.2em;
  vertical-align: bottom;
}

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栀子花@的思念

7楼-- · 2018-12-31 06:34

A perfect cross-browser example is probably this one here:

http://www.csszengarden.com/?cssfile=/213/213.css&page=0

The idea is both to display the div at the bottom and also making it stick there. Often the simple approach will make the sticky div scroll up with the main content.

Following is a fully working minimal example. Note that there's no div embedding trickery required. The many BRs are just to force a scrollbar to appear:

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN"
    "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html>
<head>
    <style>
        * {
            margin: 0;
            padding: 0;
        }

        #floater {
            background: yellow;
            height: 200px;
            width: 100%;
            position: fixed;
            bottom: 0px;
            z-index: 5;
            border-top: 2px solid gold;
        }

    </style>
</head>


<body>
    <br/><br/><br/><br/><br/><br/><br/><br/><br/><br/><br/><br/>
    <br/><br/><br/><br/><br/><br/><br/><br/><br/><br/><br/><br/>
    <br/><br/><br/><br/><br/><br/><br/><br/><br/><br/><br/><br/>
    <br/><br/><br/><br/><br/><br/><br/><br/><br/><br/><br/><br/>


    <div id="floater"></div>
</body>
</html>

If you are wondering your code might not be working on IE, remember to add the DOCTYPE tag at the top. It's crucial for this to work on IE. Also, this should be the first tag and nothing should appear above it.

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How to align content of a div to the bottom?

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