1. Sizing
  2. min-block-size

Sizing

min-block-size

Utilities for setting the minimum block size of an element.

ClassStyles
min-block-<number>
min-block-size: calc(var(--spacing) * <number>);
min-block-<fraction>
min-block-size: calc(<fraction> * 100%);
min-block-px
min-block-size: 1px;
min-block-full
min-block-size: 100%;
min-block-screen
min-block-size: 100vh;
min-block-dvh
min-block-size: 100dvh;
min-block-dvw
min-block-size: 100dvw;
min-block-lvh
min-block-size: 100lvh;
min-block-lvw
min-block-size: 100lvw;
min-block-svw
min-block-size: 100svw;

Examples

Basic example

Use min-block-<number> utilities like min-block-24 and min-block-64 to set an element to a fixed minimum block size based on the spacing scale:

min-block-96
min-block-80
min-block-64
min-block-48
min-block-40
min-block-32
<div class="block-20 ...">  <div class="min-block-80 ...">min-block-80</div>  <div class="min-block-64 ...">min-block-64</div>  <div class="min-block-48 ...">min-block-48</div>  <div class="min-block-40 ...">min-block-40</div>  <div class="min-block-32 ...">min-block-32</div></div>

Using a percentage

Use min-block-full or min-block-<fraction> utilities like min-block-1/2, and min-block-2/5 to give an element a percentage-based minimum block size:

min-block-full
min-block-9/10
min-block-3/4
min-block-1/2
min-block-1/3
<div class="min-block-full ...">min-block-full</div><div class="min-block-9/10 ...">min-block-9/10</div><div class="min-block-3/4 ...">min-block-3/4</div><div class="min-block-1/2 ...">min-block-1/2</div><div class="min-block-1/3 ...">min-block-1/3</div>

Using a custom value

Use the min-block-[<value>] syntax to set the minimum block size based on a completely custom value:

<div class="min-block-[220px] ...">  <!-- ... --></div>

For CSS variables, you can also use the min-block-(<custom-property>) syntax:

<div class="min-block-(--my-min-block-size) ...">  <!-- ... --></div>

This is just a shorthand for min-block-[var(<custom-property>)] that adds the var() function for you automatically.

Responsive design

Prefix a min-block-size utility with a breakpoint variant like md: to only apply the utility at medium screen sizes and above:

<div class="block-24 min-block-0 md:min-block-full ...">  <!-- ... --></div>

Learn more about using variants in the variants documentation.

Customizing your theme

The min-block-<number> utilities are driven by the --spacing theme variable, which can be customized in your own theme:

@theme {  --spacing: 1px; }

Learn more about customizing the spacing scale in the theme variable documentation.

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