Button

A component that can switch between a button and an anchor tag based on the `href` prop.

Epicenter

Local-first, open source apps

	<script lang="ts">
  import { Button } from "bits-ui";
</script>
 
<Button.Root
  class="inline-flex h-12 items-center justify-center rounded-input bg-dark
	px-[21px] text-[15px] font-semibold text-background shadow-mini
	hover:bg-dark/95 active:scale-[0.98] active:transition-all"
>
  Unlimited
</Button.Root>

	@import url("https://fonts.googleapis.com/css2?family=Source+Code+Pro:ital,wght@0,400;0,500;0,600;0,700;1,400;1,500;1,600;1,700&display=swap");
@import url("https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600&display=swap");
 
@import "tailwindcss";
@plugin "tailwindcss-animate";
 
@custom-variant dark (&:is(.dark *));
 
@font-face {
	font-family: "Cal Sans";
	font-style: normal;
	font-weight: 600;
	font-display: swap;
	src: url("/CalSans-SemiBold.woff2") format("woff2");
}
 
:root {
	/* Colors */
	--background: hsl(0 0% 100%);
	--background-alt: hsl(0 0% 100%);
	--foreground: hsl(0 0% 9%);
	--foreground-alt: hsl(0 0% 32%);
	--muted: hsl(240 5% 96%);
	--muted-foreground: hsla(0 0% 9% / 0.4);
	--border: hsl(240 6% 10%);
	--border-input: hsla(240 6% 10% / 0.17);
	--border-input-hover: hsla(240 6% 10% / 0.4);
	--border-card: hsla(240 6% 10% / 0.1);
	--dark: hsl(240 6% 10%);
	--dark-10: hsla(240 6% 10% / 0.1);
	--dark-40: hsla(240 6% 10% / 0.4);
	--dark-04: hsla(240 6% 10% / 0.04);
	--accent: hsl(204 94% 94%);
	--accent-foreground: hsl(204 80% 16%);
	--destructive: hsl(347 77% 50%);
	--tertiary: hsl(37.7 92.1% 50.2%);
	--line: hsl(0 0% 100%);
 
	/* black */
	--contrast: hsl(0 0% 0%);
 
	/* Shadows */
	--shadow-mini: 0px 1px 0px 1px rgba(0, 0, 0, 0.04);
	--shadow-mini-inset: 0px 1px 0px 0px rgba(0, 0, 0, 0.04) inset;
	--shadow-popover: 0px 7px 12px 3px hsla(var(--dark-10));
	--shadow-kbd: 0px 2px 0px 0px rgba(0, 0, 0, 0.07);
	--shadow-btn: 0px 1px 0px 1px rgba(0, 0, 0, 0.03);
	--shadow-card: 0px 2px 0px 1px rgba(0, 0, 0, 0.04);
	--shadow-date-field-focus: 0px 0px 0px 3px rgba(24, 24, 27, 0.17);
}
 
.dark {
	/* Colors */
	--background: hsl(0 0% 5%);
	--background-alt: hsl(0 0% 8%);
	--foreground: hsl(0 0% 95%);
	--foreground-alt: hsl(0 0% 70%);
	--muted: hsl(240 4% 16%);
	--muted-foreground: hsla(0 0% 100% / 0.4);
	--border: hsl(0 0% 96%);
	--border-input: hsla(0 0% 96% / 0.17);
	--border-input-hover: hsla(0 0% 96% / 0.4);
	--border-card: hsla(0 0% 96% / 0.1);
	--dark: hsl(0 0% 96%);
	--dark-40: hsl(0 0% 96% / 0.4);
	--dark-10: hsl(0 0% 96% / 0.1);
	--dark-04: hsl(0 0% 96% / 0.04);
	--accent: hsl(204 90% 90%);
	--accent-foreground: hsl(204 94% 94%);
	--destructive: hsl(350 89% 60%);
	--line: hsl(0 0% 9.02%);
	--tertiary: hsl(61.3 100% 82.2%);
	/* white */
	--contrast: hsl(0 0% 100%);
 
	/* Shadows */
	--shadow-mini: 0px 1px 0px 1px rgba(0, 0, 0, 0.3);
	--shadow-mini-inset: 0px 1px 0px 0px rgba(0, 0, 0, 0.5) inset;
	--shadow-popover: 0px 7px 12px 3px hsla(0deg 0% 0% / 30%);
	--shadow-kbd: 0px 2px 0px 0px rgba(255, 255, 255, 0.07);
	--shadow-btn: 0px 1px 0px 1px rgba(0, 0, 0, 0.2);
	--shadow-card: 0px 2px 0px 1px rgba(0, 0, 0, 0.4);
	--shadow-date-field-focus: 0px 0px 0px 3px rgba(244, 244, 245, 0.1);
}
 
@theme inline {
	--color-background: var(--background);
	--color-background-alt: var(--background-alt);
	--color-foreground: var(--foreground);
	--color-foreground-alt: var(--foreground-alt);
	--color-muted: var(--muted);
	--color-muted-foreground: var(--muted-foreground);
	--color-border: var(--border-card);
	--color-border-input: var(--border-input);
	--color-border-input-hover: var(--border-input-hover);
	--color-border-card: var(--border-card);
	--color-dark: var(--dark);
	--color-dark-10: var(--dark-10);
	--color-dark-40: var(--dark-40);
	--color-dark-04: var(--dark-04);
	--color-accent: var(--accent);
	--color-accent-foreground: var(--accent-foreground);
	--color-destructive: var(--destructive);
	--color-tertiary: var(--tertiary);
	--color-line: var(--line);
	--color-contrast: var(--contrast);
 
	--shadow-mini: var(--shadow-mini);
	--shadow-mini-inset: var(--shadow-mini-inset);
	--shadow-popover: var(--shadow-popover);
	--shadow-kbd: var(--shadow-kbd);
	--shadow-btn: var(--shadow-btn);
	--shadow-card: var(--shadow-card);
	--shadow-date-field-focus: var(--shadow-date-field-focus);
 
	--text-xxs: 10px;
 
	--radius-card: 16px;
	--radius-card-lg: 20px;
	--radius-card-sm: 10px;
	--radius-input: 9px;
	--radius-button: 5px;
	--radius-5px: 5px;
	--radius-9px: 9px;
	--radius-10px: 10px;
	--radius-15px: 15px;
 
	--spacing-input: 3rem;
	--spacing-input-sm: 2.5rem;
 
	--breakpoint-desktop: 1440px;
 
	--animate-accordion-down: accordion-down 0.2s ease-out;
	--animate-accordion-up: accordion-up 0.2s ease-out;
	--animate-caret-blink: caret-blink 1s ease-out infinite;
	--animate-scale-in: scale-in 0.2s ease;
	--animate-scale-out: scale-out 0.15s ease;
	--animate-fade-in: fade-in 0.2s ease;
	--animate-fade-out: fade-out 0.15s ease;
	--animate-enter-from-left: enter-from-left 0.2s ease;
	--animate-enter-from-right: enter-from-right 0.2s ease;
	--animate-exit-to-left: exit-to-left 0.2s ease;
	--animate-exit-to-right: exit-to-right 0.2s ease;
 
	--font-sans: "Inter", "sans-serif";
	--font-mono: "Source Code Pro", "monospace";
	--font-alt: "Courier", "sans-serif";
	--font-display: "Cal Sans", "sans-serif";
 
	@keyframes accordion-down {
		from {
			height: 0;
		}
		to {
			height: var(--bits-accordion-content-height);
		}
	}
 
	@keyframes accordion-up {
		from {
			height: var(--bits-accordion-content-height);
		}
		to {
			height: 0;
		}
	}
 
	@keyframes caret-blink {
		0%,
		70%,
		100% {
			opacity: 1;
		}
		20%,
		50% {
			opacity: 0;
		}
	}
 
	@keyframes enter-from-right {
		from {
			opacity: 0;
			transform: translateX(200px);
		}
		to {
			opacity: 1;
			transform: translateX(0);
		}
	}
 
	@keyframes enter-from-left {
		from {
			opacity: 0;
			transform: translateX(-200px);
		}
		to {
			opacity: 1;
			transform: translateX(0);
		}
	}
 
	@keyframes exit-to-right {
		from {
			opacity: 1;
			transform: translateX(0);
		}
		to {
			opacity: 0;
			transform: translateX(200px);
		}
	}
 
	@keyframes exit-to-left {
		from {
			opacity: 1;
			transform: translateX(0);
		}
		to {
			opacity: 0;
			transform: translateX(-200px);
		}
	}
 
	@keyframes scale-in {
		from {
			opacity: 0;
			transform: rotateX(-10deg) scale(0.9);
		}
		to {
			opacity: 1;
			transform: rotateX(0deg) scale(1);
		}
	}
 
	@keyframes scale-out {
		from {
			opacity: 1;
			transform: rotateX(0deg) scale(1);
		}
		to {
			opacity: 0;
			transform: rotateX(-10deg) scale(0.95);
		}
	}
 
	@keyframes fade-in {
		from {
			opacity: 0;
		}
		to {
			opacity: 1;
		}
	}
 
	@keyframes fade-out {
		from {
			opacity: 1;
		}
		to {
			opacity: 0;
		}
	}
}
 
@layer base {
	*,
	::after,
	::before,
	::backdrop,
	::file-selector-button {
		border-color: var(--color-border-card, currentColor);
	}
 
	* {
		@apply border-border;
	}
	html {
		-webkit-text-size-adjust: 100%;
		font-variation-settings: normal;
		scrollbar-color: var(--bg-muted);
	}
 
	body {
		@apply bg-background text-foreground;
		font-feature-settings:
			"rlig" 1,
			"calt" 1;
	}
 
	::selection {
		background: #fdffa4;
		color: black;
	}
}
 
@layer components {
	*:not(body):not(.focus-override) {
		outline: none !important;
		&:focus-visible {
			@apply focus-visible:ring-foreground focus-visible:ring-offset-background focus-visible:outline-hidden focus-visible:ring-2 focus-visible:ring-offset-1;
		}
	}
 
	.link {
		@apply hover:text-foreground/80 focus-visible:ring-foreground focus-visible:ring-offset-background rounded-xs focus-visible:outline-hidden inline-flex items-center gap-1 font-medium underline underline-offset-4 focus-visible:ring-2 focus-visible:ring-offset-2;
	}
}

Structure

	<script lang="ts">
  import { Button } from "bits-ui";
</script>
 
<Button.Root />

API Reference

Button.Root

A component that can switch between a button and an anchor tag based on the href/type props.

Property	Type	Description
`href`	`string`	An optional prop that when passed converts the button into an anchor tag. `Default: —— undefined`
`disabled`	`boolean`	Whether or not the button is disabled. When disabled, the button cannot be interacted with. `Default: false`
`ref` $bindable	`HTMLButtonElement`	The underlying DOM element being rendered. You can bind to this to get a reference to the element. `Default: null`
`children`	`Snippet`	The children content to render. `Default: —— undefined`

Data Attribute	Value	Description	Details
`data-button-root`	`''`	Present on the button element.

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Button Documentation

Epicenter

Structure

API Reference

Button.Root

Button