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CSS Grid Layout Overlapping When Using Fractional Units with Dynamic Content in React 18

๐Ÿ‘€ Views: 82 ๐Ÿ’ฌ Answers: 1 ๐Ÿ“… Created: 2025-06-13
css react css-grid JavaScript

I'm experimenting with I've looked through the documentation and I'm still confused about I'm learning this framework and I've searched everywhere and can't find a clear answer... I've searched everywhere and can't find a clear answer. I'm stuck on something that should probably be simple. I'm working on a responsive layout using CSS Grid in a React 18 application, and I'm working with an scenario where grid items overlap when I use fractional units (`fr`) for widths. I have defined a grid container with two columns, both set to `1fr`, but when the content of one of the columns becomes dynamic and expands beyond a certain height, it overlaps with the adjacent column instead of pushing it down. This unexpected behavior is particularly noticeable in Safari 16. Iโ€™ve tried setting the grid itemโ€™s `min-height` and `overflow` properties but the overlap continues. Hereโ€™s the relevant CSS and React component code: ```css .grid-container { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; } .grid-item { background-color: #f0f0f0; padding: 20px; border: 1px solid #ccc; overflow: auto; } ``` ```jsx import React from 'react'; const GridComponent = () => { return ( <div className="grid-container"> <div className="grid-item">Item 1</div> <div className="grid-item">Item 2 with dynamic content that might grow, making this item larger than expected and causing overlap.</div> </div> ); }; export default GridComponent; ``` What am I missing here? Is there a specific configuration that I need to apply to prevent the overlap from occurring? Any insights into handling dynamic heights within a CSS Grid layout while maintaining a responsive design would be greatly appreciated! Any ideas what could be causing this? Thanks in advance! This is part of a larger web app I'm building. I'd really appreciate any guidance on this. Thanks in advance! I'm using Javascript stable in this project. Hoping someone can shed some light on this. I'm on Ubuntu 22.04 using the latest version of Javascript. My development environment is Ubuntu 22.04.