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Touring New CSS Features in Safari 26: What Developers Need to Know

Safari 26 introduces 75 new CSS features, improving Flexbox, Grid, and CSS variables. Discover how these enhancements can elevate your web development.

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Kevin Liu

October 10, 2025

Touring New CSS Features in Safari 26: What Developers Need to Know

Discover the Latest CSS Features in Safari 26

The web development landscape is constantly evolving, and browser updates play a pivotal role in shaping how developers design and structure websites. Safari 26 has rolled out with an impressive array of 75 new features, alongside 3 deprecations and 171 enhancements. This update underscores Apple's dedication to improving the developer experience. For developers keen on harnessing the power of modern web technologies, getting to grips with these new CSS features is essential.

Why Are Safari 26's CSS Features Important?

Safari 26's enhancements are more than just technical advancements; they mirror significant trends in web design and user experience. As mobile browsing surges and screen sizes diversify, responsive design has become indispensable. The latest CSS features in Safari 26 address this need, simplifying the creation of visually appealing and functional websites. Here's what's new:

  • Enhanced Flexbox Support: Flexbox now offers better alignment and spacing of elements.
  • New CSS Grid Properties: Support for CSS Grid Layout has been enhanced, making complex layouts more straightforward.
  • Custom Properties Enhancements: CSS variables have been upgraded to support a wider range of scenarios.

What Are the Standout New Features?

Safari 26 introduces several innovative CSS features that developers will find invaluable. Highlights include:

Enhanced Flexbox Functionalities

Flexbox is crucial for responsive layouts. Safari 26 brings improved alignment and spacing capabilities. For instance:

.container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

This code snippet illustrates the simplicity of spacing items evenly while aligning them vertically.

Improved CSS Grid Support

CSS Grid's evolution continues with Safari 26, offering better control over grid item placement:

.grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    grid-gap: 20px;
}

This setup generates three equal columns with gaps, streamlining responsive design management.

CSS Variables Enhancements

Custom properties (CSS variables) have become even more versatile. Safari 26 enhances referencing and inheritance:

:root {
    --main-color: #3498db;
}

.button {
    background-color: var(--main-color);
}

This example demonstrates the ease of maintaining consistent styling across your website.

What Deprecations Should You Be Aware Of?

Safari 26 also phases out three CSS features. It's crucial to note these deprecations to ensure compatibility. The deprecated features are:

  • display: -webkit-box
  • -webkit-appearance
  • filter: blur() without specifying a unit

These changes prompt developers to move towards more standardized CSS practices, aiming to minimize cross-browser inconsistencies.

How Do These Features Enhance Your Development Workflow?

The new CSS features in Safari 26 make the development process more efficient, allowing for the creation of complex layouts with fewer lines of code. Here are some tips:

  • Adopt Flexbox and Grid: Use Flexbox and Grid for responsive designs. They simplify element arrangement.
  • Leverage CSS Variables: Use custom properties for consistent theming and design.
  • Ensure Cross-Browser Compatibility: Test new features across all major browsers to uphold the user experience.

What Other Enhancements Are There?

In addition to new features and deprecations, Safari 26 introduces numerous improvements that boost performance and usability, such as:

  • Quicker CSS style rendering.
  • Better support for media queries.
  • Improved compatibility with modern JavaScript frameworks.

Conclusion

Safari 26 represents a significant advancement in CSS development. With 75 new features, including upgrades to Flexbox and CSS Grid, developers can now craft more dynamic and responsive web applications. By embracing these features and adapting to the changes, you can stay ahead in the rapidly changing web development landscape. Dive into these enhancements to create standout, user-friendly designs that excel in today's competitive market.

Continue exploring, coding, and expanding the possibilities with CSS in Safari 26!

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