oliverdavies.uk/content/node.b86c14c0-4dfe-485e-bc8a-d18215ac85a7.json

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    "title": [
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            "value": "CSS variables everywhere"
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            "value": "\n          <p>Now <a href=\"\/daily\/2025\/02\/28\/preprocessors\">CSS supports variables<\/a> (aka custom properties) and <a href=\"\/daily\/2024\/07\/16\/tailwind-css-v4--with-even-more-css\">Tailwind CSS v4 is configured using CSS<\/a> instead of JavaScript, I've been making heavy use of CSS variables in my front-end code.<\/p>\n\n<p>I still use Tailwind to do the heavy lifting, but I can use CSS variables to extract themeable classes with variables like <code>--color-primary<\/code> that can change value based on a data attribute or by something else.<\/p>\n\n<p>These variables can still use Tailwind's core variables by doing <code>--color-primary: var(--color-red-500)<\/code>, rather than having to recreate all its colors, spacing or whatever variables I need to use.<\/p>\n\n<p>Tailwind has a arbitrary syntax to easily use CSS variables - e.g. <code>bg-(--color-primary)<\/code> - and you can define one-off variables with <code>[--box-spacing:30px]<\/code> or <code>[--box-spacing:--spacing(3)]<\/code> and using the standard arbitrary class syntax.<\/p>\n\n<p>CSS variables aren't specific to Tailwind CSS, so if I wasn't using Tailwind in a codebase, I'd use the new native CSS features <a href=\"\/daily\/2024\/05\/26\/is-it-time-to-stop-writing-sass\">instead of a preprocessor like Sass<\/a>.<\/p>\n\n        ",
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            "processed": "\n          <p>Now <a href=\"http:\/\/default\/daily\/2025\/02\/28\/preprocessors\">CSS supports variables<\/a> (aka custom properties) and <a href=\"http:\/\/default\/daily\/2024\/07\/16\/tailwind-css-v4--with-even-more-css\">Tailwind CSS v4 is configured using CSS<\/a> instead of JavaScript, I've been making heavy use of CSS variables in my front-end code.<\/p>\n\n<p>I still use Tailwind to do the heavy lifting, but I can use CSS variables to extract themeable classes with variables like <code>--color-primary<\/code> that can change value based on a data attribute or by something else.<\/p>\n\n<p>These variables can still use Tailwind's core variables by doing <code>--color-primary: var(--color-red-500)<\/code>, rather than having to recreate all its colors, spacing or whatever variables I need to use.<\/p>\n\n<p>Tailwind has a arbitrary syntax to easily use CSS variables - e.g. <code>bg-(--color-primary)<\/code> - and you can define one-off variables with <code>[--box-spacing:30px]<\/code> or <code>[--box-spacing:--spacing(3)]<\/code> and using the standard arbitrary class syntax.<\/p>\n\n<p>CSS variables aren't specific to Tailwind CSS, so if I wasn't using Tailwind in a codebase, I'd use the new native CSS features <a href=\"http:\/\/default\/daily\/2024\/05\/26\/is-it-time-to-stop-writing-sass\">instead of a preprocessor like Sass<\/a>.<\/p>\n\n        ",
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