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Tom Quinonero
Tom Quinonero

Posted on • Originally published at tomquinonero.com

A Short Introduction to Display: Contents

Sometimes, we need an element to be in our HTML for semantic reasons, but our life would be much easier if it just wasn’t there.

In some cases, we do not even have control over the HTML.

That is when display: contents come to the rescue.

In this short post, we’ll examine how this property behave and what are its limitations.

An “Undesired” HTML element can be tricky to work with when using flex or grid items.

Using display: contents on an element will make the container disappear, and its children will act as the children of the element’s parent.

Let’s take a timeline view displaying each year using display: flex, if we need to highlight the years after 2000, we might want to group them into a div with a class, but that container would break the flex!

We can use display: contents on this element to avoid that side effect:

<div class="years">
    <div class="year">1996</div>
    <div class="year">1997</div>
    <div class="year">1998</div>
    <div class="year">1999</div>
    <div class="recent">
        <div class="year">2000</div>
        <div class="year">2001</div>
        <div class="year">2002</div>
        <div class="year">2003</div>
    </div>
</div>
<style>
.years{
    display: flex;
}
.recent{
    display: contents;
    font-weight: bold;
}
</style>
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Having the .recent container set to display: contents will essentially make all .year behave like children of .years.

With display: contents the box disappear, so you cannot stylize it, meaning no background, padding. You can however use color, font size and all the inline style properties.

Also, modern browsers supports it!

I'm Tom Quinonero, I write about design systems and CSS, Follow me on twitter for more tips and resources 🤙

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