body {
  margin: 0;
  background: #fff;
  color: #172b33;
  font:
    16px/1.6 Arial,
    sans-serif;
}
main {
  max-width: 840px;
  margin: auto;
  padding: 32px 24px 48px;
}
h1,
h2 {
  color: #172b33;
  line-height: 1.3;
}
h1 {
  font-size: 32px;
}
h2 {
  font-size: 22px;
}
a {
  color: #075563;
  overflow-wrap: anywhere;
}
section {
  border-top: 1px solid #d6e0e4;
  padding-top: 18px;
  margin-top: 24px;
}
.muted {
  color: #52646c;
}
.top {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.switch {
  display: flex;
  border: 1px solid #d6e0e4;
  border-radius: 4px;
  padding: 4px;
}
.switch button {
  border: 0;
  background: transparent;
  color: #52646c;
  padding: 8px 14px;
  min-height: 44px;
  cursor: pointer;
  font-weight: 700;
}
.switch button[aria-pressed="true"] {
  background: #efbf04;
  color: #172b33;
}
:focus-visible {
  outline: 2px solid #075563;
  outline-offset: 3px;
}
nav {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  margin-top: 24px;
}
@media (max-width: 480px) {
  main {
    padding: 24px 20px 40px;
  }
  h1 {
    font-size: 28px;
  }
}