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  <div class="wrapper">
    <article class="flow">
      <h1>Margin shorthand</h1>
      <figure class="callout">
          If you only define one value for <code>margin</code>, it’ll apply margin to
          all sides. If you define two values for <code>margin</code>, the first value
          will be applied to the top and bottom (block) sides and the second value
          will be applied to the left and right (inline) sides. If you define three
          values for <code>margin</code>, the first value is <code>top</code>, the
          second value is <code>left</code> <strong>and</strong>
          <code>right</code> and the third value is <code>bottom</code>.
      <div class="container">
        <div class="all-sides">I have <code>margin: 20px;</code>.</div>
      <div class="container">
        <div class="two-sides">I have <code>margin: 20px 40px;</code>.</div>
      <div class="container">
        <div class="three-sides">I have <code>margin: 20px 40px 30px;</code>.</div>


                .all-sides {
  margin: 20px;

.two-sides {
  margin: 20px 40px;

.three-sides {
  margin: 20px 40px 30px;

/* presentational styles */

.container {
  max-width: 400px;
  background: var(--color-primary-x-light);
  border: 1px solid var(--color-primary);

.container > * {
  border: 1px solid var(--color-stroke);
  background: white;
  padding: 1rem;