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Replace Tailwind v4 arbitrary values with canonical class names #1168
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🧩 Analysis chain
🌐 Web query:
Does Tailwind CSS v4 default spacing scale include w-130, w-105, h-130, and h-105 as canonical preset classes, or are these still considered arbitrary values?💡 Result:
In Tailwind CSS v4, classes such as
w-105,w-130,h-105, andh-130are not part of a predefined, "canonical" list of hardcoded preset classes [1][2]. Instead, Tailwind v4 utilizes a dynamic, generative system for spacing-based utilities [2][3]. In this system, utility classes likew-*andh-*are derived from a single--spacingtheme variable (which defaults to 0.25rem or 4px) [2][3]. Because the engine calculates the values mathematically by multiplying this unit by the number provided in the class name, virtually any whole or decimal number can be used dynamically [2][3]. Consequently, while these classes will function as expected in your project, they are effectively "arbitrary" in the sense that they are generated on-demand by the compiler rather than being restricted to a fixed set of curated, canonical presets [2][3]. While the Tailwind CLI and IntelliSense may provide suggestions for a standard range (typically up to*-96) to encourage design consistency, using a value likew-130is a valid, supported part of the v4 architecture and does not require square-bracket arbitrary value syntax [2][4][3].Citations:
Clarify PR “canonical” wording for
w-130/h-130/w-105/h-105These classes are valid in Tailwind v4 without bracket arbitrary syntax because
w-*/h-*utilities are generated dynamically, but they aren’t part of a fixed predefined “canonical preset” spacing list—so PR wording about IntelliSense suggesting canonical presets is misleading.🤖 Prompt for AI Agents