A plugin that makes the use of Fluid Type a breeze.
Install the plugin from npm:
# Using npm
npm install tailwindcss-fluid-type
# Using Yarn
yarn add tailwindcss-fluid-typeThen add the plugin to your tailwind.config.js file and do your settings if you're not happy with the defaults:
// tailwind.config.js
module.exports = {
// You can disable the fontSize core plugin if you don't need non fluid font sizes.
// If you don't disable it, the fluid-type plugin simply overrule the default font-sizes if the keys are the same.
// Or you can use both alongside when you set an prefix in the settings
corePlugins: {
fontSize: false,
// ...
},
plugins: [
require("tailwindcss-fluid-type"),
// ...
],
};Nothing changed here to the default tailwindcss configuration:
<article>
<h1 class="text-xl">Fluid type</h1>
</article>The plugin comes with a default configuration (see below) but it's possible to customize this config for your project.
As default, we use rem for better accessibility, but you can also use px.
Important Note:
If you set values you have to set all values that you need for yourfont-sizes. There is no value merging here.
// tailwind.config.js
module.exports = {
plugins: [
require("tailwindcss-fluid-type")({
// your fluid type settings
// works only with unitless numbers
// This numbers are the defaults settings
settings: {
fontSizeMin: 1.125, // 1.125rem === 18px
fontSizeMax: 1.25, // 1.25rem === 20px
ratioMin: 1.125, // Multiplicator Min
ratioMax: 1.2, // Multiplicator Max
screenMin: 20, // 20rem === 320px
screenMax: 96, // 96rem === 1536px
unit: "rem", // default is rem but it's also possible to use 'px'
prefix: "", // set a prefix to use it alongside the default font sizes
extendValues: true, // When you set extendValues to true it will extend the default values. Set it to false to overwrite the values.
},
// Creates the text-xx classes
// This are the default settings and analog to the tailwindcss defaults
// Each `lineHeight` is set unitless and we think that's the way to go especially in context with fluid type.
values: {
xs: [-2, 1.6],
sm: [-1, 1.6],
base: [0, 1.6],
lg: [1, 1.6],
xl: [2, 1.2],
"2xl": [3, 1.2],
"3xl": [4, 1.2],
"4xl": [5, 1.1],
"5xl": [6, 1.1],
"6xl": [7, 1.1],
"7xl": [8, 1],
"8xl": [9, 1],
"9xl": [10, 1],
},
}),
],
variants: {
fluidType: ["responsive"],
},
};It is also possible to set just the fontSize without set the lineHeight
// tailwind.config.js
module.exports = {
plugins: [
require("tailwindcss-fluid-type")({
values: {
// ...
base: 0,
// ...
},
}),
],
};And yes, you can also set the letterSpacing & lineHeight as you know from the tailwind
documentation. letterSpacing can be all values that you like.
// tailwind.config.js
module.exports = {
plugins: [
require("tailwindcss-fluid-type")({
values: {
// ...
base: [
0,
{
lineHeight: 1.6,
letterSpacing: "-0.1rem",
},
],
// ...
},
}),
],
};// tailwind.config.js
module.exports = {
plugins: [
require("tailwindcss-fluid-type")({
settings: {
fontSizeMin: 1.125,
fontSizeMax: 1.25,
ratioMin: 1.125,
ratioMax: 1.2,
screenMin: 20,
screenMax: 96,
unit: "rem",
prefix: "",
},
values: {
// ...
base: 0,
// ...
},
}),
],
};<p class="text-base">The quick brown fox jumps over the lazy dogs</p>.text-base {
font-size: clamp(
1.125rem,
calc(1.125rem + (1.25 - 1.125) * ((100vw - 20rem) / (96 - 20))),
1.25rem
);
}// tailwind.config.js
module.exports = {
plugins: [
require("tailwindcss-fluid-type")({
settings: {
fontSizeMin: 1.125,
fontSizeMax: 1.25,
ratioMin: 1.125,
ratioMax: 1.2,
screenMin: 20,
screenMax: 96,
unit: "rem",
prefix: "",
},
values: {
// ...
base: [0, 1.6],
// ...
},
}),
],
};<p class="text-base">The quick brown fox jumps over the lazy dogs</p>.text-base {
font-size: clamp(
1.125rem,
calc(1.125rem + (1.25 - 1.125) * ((100vw - 20rem) / (96 - 20))),
1.25rem
);
line-height: 1.6;
}// tailwind.config.js
module.exports = {
plugins: [
require("tailwindcss-fluid-type")({
settings: {
fontSizeMin: 1.125,
fontSizeMax: 1.25,
ratioMin: 1.125,
ratioMax: 1.2,
screenMin: 20,
screenMax: 96,
unit: "rem",
prefix: "",
},
values: {
// ...
base: [
0,
{
lineHeight: 1.6,
letterSpacing: "-0.1rem",
},
],
// ...
},
}),
],
};<p class="text-base">The quick brown fox jumps over the lazy dogs</p>.text-base {
font-size: clamp(
1.125rem,
calc(1.125rem + (1.25 - 1.125) * ((100vw - 20rem) / (96 - 20))),
1.25rem
);
line-height: 1.6;
letter-spacing: -0.1rem;
}// tailwind.config.js
module.exports = {
plugins: [
require("tailwindcss-fluid-type")({
values: {
// ...
"2xs": "11px",
// ...
},
}),
],
};<p class="text-2xs">The quick brown fox jumps over the lazy dogs</p>.text-2xs {
font-size: 11px;
}// tailwind.config.js
module.exports = {
plugins: [
require("tailwindcss-fluid-type")({
settings: {
// ...
prefix: "fluid-",
},
}),
],
};<p class="fluid-text-base">The quick brown fox jumps over the lazy dogs</p>.fluid-text-base {
font-size: clamp(
1.125rem,
calc(1.125rem + (1.25 - 1.125) * ((100vw - 20rem) / (96 - 20))),
1.25rem
);
line-height: 1.6;
letter-spacing: -0.1rem;
}To ensure compabibility with tailwind-merge, extends it's configuration to recognize fluid-text sizes.
This enables seamless overriding and filtering of tailwind classes with tailwind-merge utility.
import { type ClassValue, clsx } from "clsx";
import { extendTailwindMerge } from "tailwind-merge";
const twMerge = extendTailwindMerge({
extend: {
classGroups: {
"font-size": [
{
"fluid-text": ["sm", "base", "lg", "xl", "2xl", "3xl", "4xl", "5xl", "6xl", "7xl", "8xl", "9xl",
],
},
],
},
},
});
export function cn(...inputs: ClassValue[]) {
return twMerge(clsx(inputs));
}
Sometimes it may be useful to override the default line height that you set in your config. Therefore, this plugin supports the Tailwind font size line-height shorthand. This works as follows.
<h1 class="text-9xl/snug">The quick brown fox jumps over the lazy dogs</h1>See the official Tailwind documentation for more information.
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