For the minor alterations to the default look that make all the difference, missing.css has a collection of classes and custom elements.

§ Visually hidden content

.v-h, <v-h>
Visually hide a content without hiding it from assistive software.

§ Container

<div class="container">

The container class imposes a maximum width on an element and centers it. The <main> element does the same, but carries semantic baggage that might not be appropriate for all contexts.

§ Density

The density utilities set the --density CSS variable, which controls the amount of spacing between elements. The default value of --density is 1, which means the spacing between paragraphs is equal to the height of 1 line.

We provide three utility classes that set --density:

Class Density
.packed --density = 0
.crowded --density = 0.5
.dense --density = 1 (same as default)
.airy --density = 3
.autodensity sets density based on viewport width

You can set --density yourself in inline styles or your own CSS:

Setting --density with inline styles
<section id="tagline" style="--density: 2">
  <h1>So easy, even a programmer can do it.</h1>
      missing.css makes it easy to ship beautiful applications without
      locking yourself into classless libraries.
Setting --density in a stylesheet
.link-embed {
    --density: .5; /* Embeds shouldn't take up too much space */

§ Typography

Sets text in all caps and adds appropriate letter spacing.
Renders the text in the monospace font (--font-mono).

§ Masquerades

The following classes can be used to make one element look like another:

<a class="<button>" href="/cta">Call to action</a>

Call to action

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