*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  -moz-text-size-adjust: none;
  -webkit-text-size-adjust: none;
  text-size-adjust: none;
}

body,
h1,
h2,
h3,
h4,
p,
figure,
blockquote,
dl,
dd {
  margin-block-end: 0;
}

ul[role="list"],
ol[role="list"] {
  list-style: none;
}

body {
  min-height: 100vh;
  line-height: 1.5;
}

h1,
h2,
h3,
h4,
button,
input,
label {
  line-height: 1.1;
}

h1,
h2,
h3,
h4 {
  text-wrap: balance;
}

a:not([class]) {
  text-decoration-skip-ink: auto;
  color: currentColor;
}

img,
picture {
  max-width: 100%;
  display: block;
}

input,
button,
textarea,
select {
  font-family: inherit;
  font-size: inherit;
}

textarea:not([rows]) {
  min-height: 10em;
}

:target {
  scroll-margin-block: 5ex;
}

:root {
  --fg: #111;
  --bg: #fff;
  --rhythm: 1.5rem;
  --rhythm-half: calc(var(--rhythm) / 2);
  --rhythm-quarter: calc(var(--rhythm) / 4);
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    Helvetica, Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji";
  margin: 0;
  padding: calc(var(--rhythm) + var(--rhythm-half));
  color: var(--fg);
  background: var(--bg);
  line-height: 1.5;
}

article {
  max-width: 42rem;
  margin: 0 auto;
}

h1 {
  font-size: 1em;
  font-weight: 400;
  margin-block-end: var(--rhythm-half);
}

h2 {
  font-size: 1em;
  font-weight: 400;
  margin-block-end: var(--rhythm-half);
  margin-block-start: calc(var(--rhythm) * 2);
  padding-block-end: var(--rhythm-quarter);
}

dt {
  font-weight: 400;
  font-variant-numeric: tabular-nums;
  margin: 0;
}

dd {
  margin: 0;
}

.timeline {
  margin: 0;
  padding: 0;
}

.timeline dt {
  margin: 0 0 var(--rhythm-quarter);
}

.timeline dd span {
  display: block;
  font-weight: 400;
  margin-block-end: var(--rhythm-quarter);
}

.timeline dd p {
  margin: 0;
}

.timeline dd ul {
  margin-block-start: var(--rhythm-half);
  margin-block-end: 0;
}

.timeline dd + dt {
  margin-block-start: calc(var(--rhythm) * 1.5);
}

.timeline dt:first-of-type {
  margin-block-start: 0;
}

@media (min-width: 50rem) {
  .timeline {
    display: grid;
    grid-template-columns: minmax(8rem, 1fr) minmax(0, 3fr);
    column-gap: var(--rhythm);
    row-gap: var(--rhythm);
    align-items: start;
  }

  .timeline dt,
  .timeline dd {
    margin: 0;
  }

  .timeline dt {
    align-self: start;
  }

  .timeline dd + dt {
    margin-block-start: 0;
  }
}

p + ul {
  margin-block-start: var(--rhythm-half);
}

section + section {
  margin-block-start: calc(var(--rhythm) * 2);
}