Ensure that the side navigation panel is equal in height to the content

Question

Ensure that the side navigation panel is equal in height to the content

I'm struggling to make my right side navigation div fill up the remaining vertical space based on the content box size. I've experimented with setting the height of the body and the div to 100%, using absolute positioning, and even shedding a few tears, but none of these methods are giving me the desired outcome.

Check out the Fiddle I've been working on as a test: https://jsfiddle.net/5punpLs6/

#nav {
    float: right;
    background-color: blue;
    height: 100%;
}
#content {
    background-color: #333;
    overflow: hidden;
}
#footer {
    background-color: green;
    height: 50px;
}

<div id="nav">
    <ul>
        <li>home</li>
        <li>home</li>
        <li>home</li>
    </ul>
</div>
<div id="content">
    <p>Lorem ipsum dolor sit amet, consectetur adipiscing elit. Sed cursus nulla nisl, sit amet hendrerit erat iaculis in. Ut tristique sem purus, sit amet condimentum ex auctor vitae. Aliquam ornare lorem quis odio laoreet placerat. Fusce nec egestas erat, ac porta lectus. Vivamus accumsan sed elit quis volutpat. Donec suscipit fermentum arcu eu consectetur. Aenean sit amet neque at enim dapibus imperdiet. Ut facilisis tellus leo, sed rhoncus lacus suscipit quis. Morbi sit amet quam ullamcorper, tincidunt lacus a, hendrerit dui. Pellentesque laoreet lectus eget tempor suscipit. Nam quis condimentum eros, a facilisis neque. Pellentesque ultrices aliquet nisi vitae interdum.</p>
</div>
<div id="footer"></div>

html css

Answer 1

Answer №1

When facing this issue, you have a couple of choices. One option is to follow the recommendation already given and add a container. Keeping things organized within a container can often provide a clean solution.

If for some reason you prefer not to use a container, an alternative approach would be to utilize jQuery after the webpage has loaded without adding any extra HTML. You can achieve this by including jQuery and using a script like:

window.onload = function(){
    $('#nav').height($('#content').height());
}

I tested this method in your JSFiddle and it appears to accomplish what you are aiming for.

Alternatively, you might consider utilizing a pre-built sidebar navigation menu to save time and effort. Instead of reinventing the wheel, using existing resources like this one can be beneficial. I have personally used it in some of my projects with success.

Answer 2

When facing this issue, you have a couple of choices. One option is to follow the recommendation already given and add a container. Keeping things organized within a container can often provide a clean solution.

If for some reason you prefer not to use a container, an alternative approach would be to utilize jQuery after the webpage has loaded without adding any extra HTML. You can achieve this by including jQuery and using a script like:

window.onload = function(){
    $('#nav').height($('#content').height());
}

I tested this method in your JSFiddle and it appears to accomplish what you are aiming for.

Alternatively, you might consider utilizing a pre-built sidebar navigation menu to save time and effort. Instead of reinventing the wheel, using existing resources like this one can be beneficial. I have personally used it in some of my projects with success.

Answer 3

Answer №2

When using percentage height like height:100%, it will only work if the parent element has a specified height. In your situation, you may not actually require this if you simply want the background color to cover the entire area. In that case, wrapping the navigation and content sections in a wrapper div and setting the background on that wrapper would suffice.

Check out the JsFiddle Demo here

#wrapper {
    background-color: blue;
}
#nav {
    float: right;
}
#content {
    background-color: #333;
    overflow: auto;
}
#footer {
    background-color: green;
    height: 50px;
}

<div id="wrapper">
    <div id="nav">
        <ul>
            <li>Item</li>
            <li>Item</li>
            <li>Item</li>
        </ul>
    </div>
    <div id="content">
        <p>Lorem ipsum dolor sit amet, consectetur adipiscing elit. Sed cursus nulla nisl, sit amet hendrerit erat iaculis in. Ut tristique sem purus, sit amet condimentum ex auctor vitae. Aliquam ornare lorem quis odio laoreet placerat...</p>
    </div>
</div>
<div id="footer"></div>

You could also utilize CSS table layout to ensure both content and nav sections have the same height. Remember to slightly adjust the order of the markup.

View the JsFiddle Demo for CSS table layout

#wrapper {
    display: table;
    border-collapse: collapse;
}
#content, #nav {
    display: table-cell;
    vertical-align: top;
}
#content {
    background-color: #333;
}
#nav {
    background-color: blue;
}
#footer {
    background-color: green;
    height: 50px;
}

<div id="wrapper">
    <div id="content">
        <p>Lorem ipsum dolor sit amet, consectetur adipiscing elit. Sed cursus nulla nisl, sit amet hendrerit erat iaculis in. Ut tristique sem purus, sit amet condimentum ex auctor vitae. Aliquam ornare lorem quis odio laoreet placerat...</p>
    </div>
    <div id="nav">
        <ul>
            <li>Item</li>
            <li>Item</li>
            <li>Item</li>
        </ul>
    </div>
</div>
<div id="footer"></div>

Answer 4

When using percentage height like height:100%, it will only work if the parent element has a specified height. In your situation, you may not actually require this if you simply want the background color to cover the entire area. In that case, wrapping the navigation and content sections in a wrapper div and setting the background on that wrapper would suffice.

Check out the JsFiddle Demo here

#wrapper {
    background-color: blue;
}
#nav {
    float: right;
}
#content {
    background-color: #333;
    overflow: auto;
}
#footer {
    background-color: green;
    height: 50px;
}

<div id="wrapper">
    <div id="nav">
        <ul>
            <li>Item</li>
            <li>Item</li>
            <li>Item</li>
        </ul>
    </div>
    <div id="content">
        <p>Lorem ipsum dolor sit amet, consectetur adipiscing elit. Sed cursus nulla nisl, sit amet hendrerit erat iaculis in. Ut tristique sem purus, sit amet condimentum ex auctor vitae. Aliquam ornare lorem quis odio laoreet placerat...</p>
    </div>
</div>
<div id="footer"></div>

You could also utilize CSS table layout to ensure both content and nav sections have the same height. Remember to slightly adjust the order of the markup.

View the JsFiddle Demo for CSS table layout

#wrapper {
    display: table;
    border-collapse: collapse;
}
#content, #nav {
    display: table-cell;
    vertical-align: top;
}
#content {
    background-color: #333;
}
#nav {
    background-color: blue;
}
#footer {
    background-color: green;
    height: 50px;
}

<div id="wrapper">
    <div id="content">
        <p>Lorem ipsum dolor sit amet, consectetur adipiscing elit. Sed cursus nulla nisl, sit amet hendrerit erat iaculis in. Ut tristique sem purus, sit amet condimentum ex auctor vitae. Aliquam ornare lorem quis odio laoreet placerat...</p>
    </div>
    <div id="nav">
        <ul>
            <li>Item</li>
            <li>Item</li>
            <li>Item</li>
        </ul>
    </div>
</div>
<div id="footer"></div>

Ensure that the side navigation panel is equal in height to the content

Answer №1

Answer №2

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