How to Make Specific Tags Ignore Overflow:hidden?

Mary-Kate Olsen
Release: 2024-11-03 22:26:30
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How to Make Specific Tags Ignore Overflow:hidden?

How to Allow Specific Tags to Override Overflow:hidden

When working with elements within a container, you may encounter situations where you want certain elements to break out of the container's boundaries, essentially overriding the overflow:hidden property. Here's how you can achieve this with HTML and CSS.

To allow a specific tag to disregard the overflow:hidden rule, you need to position the overflowing element using a different parent element. The container with overflow:hidden should have a position:static, while the overflowing element is positioned relative to a higher parent. This setup allows the overflowing element to escape the boundaries of its parent without affecting other elements within the container.

Consider the following HTML and CSS code:

<code class="html"><div class="relative-wrap">
    <div class="overflow-wrap">
        <div class="respect-overflow">
        </div>
        <div class="no-overflow">
        </div>
    </div>
</div></code>
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<code class="css">.relative-wrap {
    position: relative;
}

.overflow-wrap {
    height: 250px;
    width: 250px;
    overflow: hidden;
    background: lightblue;
}

.respect-overflow {
    position: relative;
    top: 75px;
    left: 225px;
    height: 50px;
    width: 50px;
    background: green;    
}
.no-overflow {
    position: absolute;
    top: 150px;
    left: 225px;
    height: 50px;
    width: 50px;
    background: red;
}</code>
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In this example, the .overflow-wrap div has a height and width of 250px and overflow:hidden, meaning any content spilling outside of its boundaries will be hidden. However, the .no-overflow div, which is positioned absolutely, can extend beyond the .overflow-wrap div because its positioning is referenced to the .relative-wrap div, which has a position:relative. The .respect-overflow div, meanwhile, which is positioned relatively to the .overflow-wrap div, respects the overflow:hidden rule and is contained within its boundaries.

Using this technique, you can create elements that appear to break out of a container without affecting the positioning and overflow properties of other elements within that container.

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