header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: 1200px;
  margin: 40px auto;
  padding-bottom: 16px;
  border-bottom: 1px solid #DDDDDD;
}
.logo {
  font-weight: 700;
  font-size: 22px;
}
header nav {
  display: flex;
  gap: 20px;
}