Resizing an image proportionally using a div container with a child specifying the height dimension

Question

Resizing an image proportionally using a div container with a child specifying the height dimension

When using a div element on its own, it automatically adjusts its height to fit its contents.

I am trying to achieve a layout where a parent div contains two child elements: another div (or left-aligned image) and an unordered list (ul). The inner div (or image) should be the same height as the parent div, which in turn should match the height of the list that may have varying numbers of items.

My challenge is figuring out how to set the parent div's height based on the list while ensuring the inner div aligns properly using CSS techniques.

I am open to alternative suggestions as I explore different methods to meet my design objectives. This is just one approach I'm considering.

html css semantic-markup

Answer 1

Answer №1

Live Demo

Tested in IE7/IE8, as well as the latest versions of Firefox, Chrome, Safari, and Opera.
The image's height is determined by the height of the ul element.
To provide extra styling for IE7, I'm using the Star hack method with the rule height: 100%. Alternatively, you could use conditional comments or the Star plus hack if strict CSS validation is a concern.

CSS:

#iContainer {
    background: #ccc;
    overflow: hidden;
    position: relative
}
#iContainer div {
    position: absolute;
    top: 0; right: 0; bottom: 0; left: 0;
    *height: 100% /* specific to IE7 */
}
#iContainer img {
    height: 100%
}
#iContainer ul {
    float: right
}

HTML:

<div id="iContainer">

    <div><img src="https://dummyimage.com/500x700/f0f/fff" /></div>

    <ul>
        <li>list 1</li>
        <li>list 2</li>
        <li>list 3</li>
        <li>list 4</li>
        <li>list 5</li>
        <li>list 6</li>
        <li>list 7</li>
        <li>list 8</li>
    </ul>

</div>

The Oversized Pink Image:

Answer 2

Live Demo

Tested in IE7/IE8, as well as the latest versions of Firefox, Chrome, Safari, and Opera.
The image's height is determined by the height of the ul element.
To provide extra styling for IE7, I'm using the Star hack method with the rule height: 100%. Alternatively, you could use conditional comments or the Star plus hack if strict CSS validation is a concern.

CSS:

#iContainer {
    background: #ccc;
    overflow: hidden;
    position: relative
}
#iContainer div {
    position: absolute;
    top: 0; right: 0; bottom: 0; left: 0;
    *height: 100% /* specific to IE7 */
}
#iContainer img {
    height: 100%
}
#iContainer ul {
    float: right
}

HTML:

<div id="iContainer">

    <div><img src="https://dummyimage.com/500x700/f0f/fff" /></div>

    <ul>
        <li>list 1</li>
        <li>list 2</li>
        <li>list 3</li>
        <li>list 4</li>
        <li>list 5</li>
        <li>list 6</li>
        <li>list 7</li>
        <li>list 8</li>
    </ul>

</div>

The Oversized Pink Image:

Answer 3

Answer №2

Are you looking for something like this?

http://jsfiddle.net/Mutant_Tractor/CQG8s/

This solution involves using a small (pure JS) script to calculate the list height when the page loads and then dynamically adjusting the height of the div using the .style.height method :)

Answer 4

Are you looking for something like this?

http://jsfiddle.net/Mutant_Tractor/CQG8s/

This solution involves using a small (pure JS) script to calculate the list height when the page loads and then dynamically adjusting the height of the div using the .style.height method :)

Answer 5

Answer №3

To make a div match the height of its container, simply set its height to 100%. If you want the div to take up all available space, leave its height as auto (the default).

It seems like the layout you're aiming for is

<style type="text/css>
 .scaledimage{height:100%;float:left}
 .list{float:left;}
</style>
<div class="container">
  <div class="scaledimage"></div>
  <div class="list"></div>
<div>

Answer 6

To make a div match the height of its container, simply set its height to 100%. If you want the div to take up all available space, leave its height as auto (the default).

It seems like the layout you're aiming for is

<style type="text/css>
 .scaledimage{height:100%;float:left}
 .list{float:left;}
</style>
<div class="container">
  <div class="scaledimage"></div>
  <div class="list"></div>
<div>

Resizing an image proportionally using a div container with a child specifying the height dimension

Answer №1

Answer №2

Answer №3

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