* {
  box-sizing: border-box;
}

body {
  font-family: system-ui, sans-serif;
  margin: 1rem;
  color: #1f2933;
  background: #f7f9fb;
  line-height: 1.5;
}

.skip {
  position: absolute;
  left: -999px;
}
.skip:focus {
  left: 1rem;
  top: 1rem;
  background: #fff;
  padding: 0.5rem;
}

header {
  border-bottom: 3px solid #0b6e5f;
  padding-bottom: 0.75rem;
  margin-bottom: 1rem;
}
header p {
  margin: 0 0 0.25rem;
  color: #52606d;
}
h1 {
  margin: 0;
}

nav {
  margin: 0.5rem 0 1rem;
}
a {
  color: #0b57d0;
}

footer {
  margin-top: 2rem;
  color: #52606d;
  font-size: 0.9rem;
}