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Global and Component Style Settings with CSS Variables

The title of this Sara Soueidan article speaks to me. I’m a big fan of the idea that some CSS is best applied globally, and some CSS is best applied scoped to a component. I’m less interested in how that is done and more interested in just seeing that conceptual approach used in some fashion.

Sara details an approach where components don’t have too much styling by default, but have CSS custom properties applied to them that are ready to … Read article “Global and Component Style Settings with CSS Variables”

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When Sass and New CSS Features Collide

Recently, CSS has added a lot of new cool features such as custom properties and new functions. While these things can make our lives a lot easier, they can also end up interacting with preprocessors, like Sass, in funny ways.

So this is going to be a post about the issues I’ve encountered, how I go around them, and why I still find Sass necessary these days.… Read article “When Sass and New CSS Features Collide”

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Using Custom Property “Stacks” to Tame the Cascade

Since the inception of CSS in 1994, the cascade and inheritance have defined how we design on the web. Both are powerful features but, as authors, we’ve had very little control over how they interact. Selector specificity and source order provide some minimal “layering” control, without a lot of nuance — and inheritance requires an unbroken lineage. Now, CSS Custom Properties allow us to manage and control both cascade and inheritance in new ways.

I want to show you … Read article “Using Custom Property “Stacks” to Tame the Cascade”

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Global CSS options with custom properties

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Creating Color Themes With Custom Properties, HSL, and a Little calc()

Before the advent of CSS custom properties (we might call them “variables” in this article as that’s the spirit of them), implementing multiple color schemes on the same website usually meant writing separate stylesheets. Definitely not the most maintainable thing in the world. Nowadays, though, we can define variables in a single stylesheet and let CSS do the magic.

Even if you aren’t offering something like user-generated or user-chosen color themes, you might still use the concept of theming on … Read article “Creating Color Themes With Custom Properties, HSL, and a Little calc()”

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Getting JavaScript to Talk to CSS and Sass

JavaScript and CSS have lived beside one another for upwards of 20 years. And yet it’s been remarkably tough to share data between them. There have been large attempts, sure. But, I have something simple and intuitive in mind — something not involving a structural change, but rather putting CSS custom properties and even Sass variables to use.… Read article “Getting JavaScript to Talk to CSS and Sass”

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A Complete Guide to calc() in CSS

CSS has a special calc() function for doing basic math. Here’s an example:

.main-content {
  /* Subtract 80px from 100vh */
  height: calc(100vh - 80px);
}

In this guide, let’s cover just about everything there is to know about this very useful function. … Read article “A Complete Guide to calc() in CSS”

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How to Make a Line Chart With CSS

Line,  bar, and pie charts are the bread and butter of dashboards and are the basic components of any data visualization toolkit. Sure, you can use SVG or a JavaScript chart library like Chart.js or a complex tool like D3 to create those charts, but what if you don’t want to load yet another library into your already performance-challenged website?

There are plenty of articles out there for creating CSS-only bar charts, column charts, and pie charts, but … Read article “How to Make a Line Chart With CSS”

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Custom Styling Form Inputs With Modern CSS Features

It’s entirely possible to build custom checkboxes, radio buttons, and toggle switches these days, while staying semantic and accessible. We don’t even need a single line of JavaScript or extra HTML elements! It’s actually gotten easier lately than it has been in the past. Let’s take a look.… Read article “Custom Styling Form Inputs With Modern CSS Features”