Creative Uses of Custom CSS in Squarespace You Probably Didn’t Know

Squarespace is known for making web design simple. You can choose a template, add your content, and have a good-looking website in a matter of hours. But as many site owners eventually discover, those built-in design options only go so far. You can tweak fonts, adjust spacing, and change colors—but what if you want your site to look truly one-of-a-kind?

That’s where custom CSS comes in.

CSS stands for Cascading Style Sheets. It’s the language that controls how every visual element on your website appears. Fonts, margins, colors, animations—all rely on CSS. Squarespace already uses CSS behind the scenes, but it also gives you access to a “Custom CSS” section where you can write your own rules.

Learning how to use it, even at a basic level, lets you make creative adjustments that separate your site from the crowd. You don’t need to be a developer to do it—just a bit of curiosity and a few best practices.

Let’s explore creative uses of custom CSS in Squarespace that many users overlook. You’ll also learn how to use custom CSS in Squarespace, whether you can use custom CSS on individual pages, and how professional designers like Pocketknife use it to create customized, brand-aligned websites.


What Custom CSS Means in Squarespace

CSS defines how your website looks. Squarespace provides a visual editor that lets you control much of that styling without code, but those settings only go so far. The Custom CSS panel gives you an open field to refine your design further.

To find it, go to the Design section in your Squarespace dashboard and choose Custom CSS. You’ll see a text box where you can paste or write style rules. When you save, the styles apply immediately across your site.

If you only need the style to apply to one specific page, you can use that page’s unique identifier or place your CSS in the page’s Code Injection area. This is particularly useful for creating special layouts, promotional pages, or campaign-specific looks.

Learning how to use custom CSS in Squarespace is less about coding and more about understanding what each section of your site represents. Once you know where things live—like headers, buttons, or section backgrounds—you can begin making targeted design improvements that the built-in editor can’t offer.


Common Misconceptions About Custom CSS

Many people are hesitant to use CSS because they think it’s too technical or risky. Let’s clear up a few common myths.

Myth 1: Custom CSS Breaks Templates

Squarespace templates are well-built and stable. Even if you write incorrect CSS, the platform will simply ignore the parts it doesn’t understand. Nothing on your site will permanently break. You can always delete or modify your custom styles at any time.

Myth 2: You Need to Be a Developer

You don’t need to know programming to add CSS. The syntax is easy to understand once you’ve seen a few examples. It’s basically a list of rules that describe how things should look—like changing a color or adjusting spacing. Most Squarespace users pick up enough CSS basics in an afternoon to make practical changes.

Myth 3: You Can’t Use CSS on Individual Pages

This one is especially common. By default, custom CSS applies to the whole site, but you can absolutely make page-specific changes. Every page in Squarespace has a unique identifier that you can use to target that page only. This allows you to create different designs for specific sections, such as a landing page that looks distinct from your main site.


Creative Uses of Custom CSS in Squarespace You Probably Didn’t Know

Now that we’ve covered the basics, let’s look at some creative ways to use custom CSS to enhance your Squarespace site. These examples are meant to spark ideas and show what’s possible, even for non-coders.

1. Animated Button Effects

Squarespace provides preset button styles, but they can sometimes feel plain. With custom CSS, you can add smooth hover effects, color fades, or size transitions that make buttons more interactive. These subtle movements draw attention to calls-to-action like “Book Now” or “Shop Collection” without overwhelming the design.

A skilled Squarespace website designer often uses these effects to create an engaging experience that matches a brand’s personality.

2. Custom Background Overlays

When you use banner or section images, sometimes the text becomes hard to read. Instead of editing each image, you can add a translucent overlay directly through CSS. This keeps your text legible across all screen sizes and gives your site a polished, consistent look.

At Pocketknife, we often apply overlays to hero sections, event pages, and portfolio backgrounds to help content stand out while maintaining visual harmony.

3. Unique Blog Post Styling

If you run a blog, you might want to highlight specific posts, such as featured articles or announcements. CSS allows you to style certain posts differently by changing their title color, background, or spacing. This makes your most important content visually distinct without needing a separate layout.

4. Scroll-Triggered Transitions

Squarespace doesn’t include complex animations by default, but CSS can simulate smooth transitions as users scroll. For example, text or images can gently fade in when they come into view. This gives your pages a dynamic, modern feel while keeping the overall experience subtle and professional.

Designers use this technique to add motion that guides the viewer’s attention through the page naturally.

5. Consistent Image Cropping in Galleries

If you’ve ever used Squarespace galleries, you’ve probably noticed that images display in slightly different sizes. Custom CSS allows you to standardize image proportions so your gallery looks balanced and organized. This is especially helpful for product collections or photography portfolios where consistency matters.

6. Custom Fonts from External Sources

Squarespace includes a solid font library, but if you want something specific—like a font from Google Fonts or Adobe Fonts—you can bring it in using CSS. This approach helps brands maintain a consistent visual identity across print and digital materials.

Pocketknife often works with clients who already have brand fonts defined, and adding them through CSS ensures their website aligns perfectly with the rest of their marketing assets.

7. Page-Specific Design Adjustments

If you’ve wondered, “Can I use custom CSS on individual pages in Squarespace?”, the answer is yes. You can target a specific page by using its unique page ID. This means you can adjust colors, layout spacing, or even entire sections for one page without affecting the rest of your site.

For instance, you might want your “Contact” page to have a different background, or your “About” section to use a special layout. Page-specific CSS is a powerful way to make every section feel intentional and unique.

8. Better Mobile Adjustments

Squarespace automatically makes sites responsive, but sometimes elements don’t align quite right on mobile screens. With a bit of CSS, you can adjust text size, spacing, or button placement for smaller devices. This ensures that your content stays readable and visually appealing no matter what device your audience uses.

At Pocketknife, fine-tuning mobile layouts through CSS is a standard part of every project. We believe small adjustments make a big difference in usability and design quality.

9. Text Highlights and Background Accents

Want your section titles to pop without using bright colors or heavy graphics? You can add soft highlight backgrounds behind text using CSS. This creates a modern editorial look often seen in online magazines or creative portfolios. It’s a stylish, minimal way to draw attention to key headlines or quotes.

10. Micro-Animations for Brand Character

Tiny animations can make your site feel alive. For example, a slight movement on your logo or a soft transition when a user hovers over a menu item adds a human touch. These details make visitors feel that care went into every part of the design.

Custom CSS gives you the flexibility to add these animations in a lightweight way that doesn’t slow down your site. Professional designers often use this to add subtle personality without clutter.


When to Use Custom CSS vs. Built-In Design Settings

Squarespace’s built-in tools handle a lot of customization already. You can change typography, colors, and layout spacing directly from the design menu. That’s often enough for most users.

But custom CSS becomes valuable when you want to do something the interface doesn’t support—like adding a unique hover effect, matching a specific brand font, or fine-tuning the spacing of certain blocks.

Here’s a simple way to decide:

  • Use the built-in design settings when you want quick, global updates that are easy to maintain.

  • Use custom CSS when you want distinct visual touches or unique page layouts that Squarespace doesn’t offer out of the box.

At Pocketknife, we typically combine both. Built-in settings keep things simple for clients who want to make small updates themselves, while custom CSS adds the level of detail that makes their site memorable.


Best Practices for Working with Custom CSS

Even though CSS changes are safe, it’s worth following a few good habits to avoid confusion later.

  1. Start with small changes. Test one edit at a time so you can easily track what each rule does.

  2. Keep notes. Adding comments or keeping a separate list of your CSS changes helps when you revisit your site later.

  3. Test on multiple devices. A design that looks great on desktop might not fit perfectly on mobile. Always check before finalizing.

  4. Avoid forcing overrides. Try not to overuse commands that override Squarespace’s core styles. It can make future updates harder.

  5. Back up your code. Before making big changes, copy your existing CSS into a safe file so you can restore it if needed.

Professional designers like those at Pocketknife often organize CSS into sections labeled by page or feature. This makes it easier to maintain and share with clients who might want to update it later.


Common Mistakes to Avoid

Even small CSS errors can lead to confusing results. Here are a few pitfalls to watch out for:

  • Using overly broad rules. If you apply a style to every heading or paragraph on the site, it might affect areas you didn’t intend to change.

  • Ignoring mobile adjustments. Always check how your changes appear on phones and tablets. Spacing or font sizes may need slight tweaks.

  • Not revisiting styles after Squarespace updates. The platform occasionally updates its structure. It’s smart to review your custom CSS a few times a year to make sure everything still works as expected.

Avoiding these mistakes keeps your site reliable and visually consistent.


How a Professionals Can Help

While many site owners enjoy experimenting with CSS, some prefer professional help to ensure everything stays organized, efficient, and visually aligned.

A Squarespace website designer can:

  • Identify areas where CSS can enhance your site without overcomplicating it.

  • Match your website’s appearance perfectly to your brand identity.

  • Create smooth animations and transitions that improve user experience.

  • Ensure that every design choice works well on all screen sizes.

At Pocketknife, we help clients who want a polished Squarespace site but don’t want to worry about coding. Whether it’s refining typography, building custom layouts, or styling individual pages, we focus on making CSS approachable and practical. Our goal is simple—to make your site look like something designed just for you.


Frequently Asked Questions

1. Can I use custom CSS on individual pages in Squarespace?

Yes, you can. Every page in Squarespace has a unique page ID, which you can use to apply CSS only to that page. This means you can create unique styles for a landing page, event page, or portfolio without affecting the rest of your site. It’s one of the most flexible uses of custom CSS in Squarespace, and professional designers often rely on it for page-specific branding.

2. Is using custom CSS in Squarespace safe?

Absolutely. Squarespace allows users to add CSS safely through its built-in editor. If a piece of code doesn’t work, Squarespace simply ignores it. You can also remove or change your CSS anytime without damaging your site. To stay organized, keep a backup of your custom styles, and test your site on different devices after adding changes.

3. Do I need a professional to use custom CSS?

Not necessarily, but it helps if you want advanced or brand-specific designs. Many site owners start with simple tweaks on their own and later work with a Squarespace website designer like Pocketknife for more complex adjustments, animations, or layout refinements. Designers can ensure that your CSS is efficient, mobile-friendly, and consistent with your brand’s visual identity.


Conclusion

The uses of custom CSS in Squarespace go far beyond color tweaks or font changes. With just a few small adjustments, you can improve navigation, highlight important content, and create design touches that reflect your brand’s personality.

Understanding how to use custom CSS in Squarespace gives you creative control that most site owners never explore. And if you’ve ever wondered, “Can I use custom CSS on individual pages in Squarespace?”—you absolutely can. Doing so allows you to design each page with its own character and purpose.

For those who want their site to look and feel professional without spending hours learning code, working with a Squarespace website designer like Pocketknife is a smart step. We specialize in helping clients achieve a polished, customized look that fits their goals while keeping their sites easy to manage.

Custom CSS isn’t about reinventing your website—it’s about refining it. With a few thoughtful touches, you can turn a standard template into something personal, distinct, and truly reflective of your brand.

Jared Gibbons

I design and develop Squarespace websites.

Phone - Email

https://www.pcktknfe.com
Next
Next

How to Make Your Custom Code Squarespace Site Look Stunning