:root {
  color: #171717;
  background: #f6f6f3;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 16px;
  font-weight: 400;
  line-height: 1.5;
  font-synthesis: none;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  padding: 24px 16px;
}

main {
  width: min(100%, 680px);
  margin: 0 auto;
  padding: 24px;
  border: 1px solid #deded8;
  border-radius: 12px;
}

header,
section,
footer {
  display: grid;
  gap: 10px;
}

section,
footer {
  margin-top: 28px;
}

h1,
h2,
p,
ul {
  margin: 0;
}

h1,
h2 {
  font-size: 20px;
  font-weight: inherit;
  line-height: inherit;
}

ul {
  padding-left: 20px;
}

li + li {
  margin-top: 8px;
}

nav {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

a {
  color: inherit;
  text-decoration: none;
}

nav a,
.contact {
  width: fit-content;
  min-height: 40px;
  display: inline-flex;
  align-items: center;
  padding: 0 12px;
  border: 1px solid #deded8;
  border-radius: 10px;
}

.contact {
  background: #d9ff68;
}

@media (max-width: 520px) {
  body {
    padding: 8px;
  }

  main {
    padding: 18px;
  }
}