* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: #1a1a1a;
  background-color: #fafafa;
  line-height: 1.6;
}

h1, h2, h3 {
  margin-top: 0;
}

a {
  color: #2563eb;
}

a:hover {
  color: #1d4ed8;
}

.navbar {
  list-style-type: none;
  margin: 0;
  padding: 0;
  display: flex;
  background-color: #333333;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
}


.navbar li {
  flex: 0 0 auto;
}

.navbar li a {
  display: block;
  color: white;
  text-align: center;
  padding: 14px 16px;
  text-decoration: none;
}

.navbar li a:hover {
  background-color: #111111;
}

main {
  margin-top: 26px;
  max-width: 800px;
  padding: 32px 24px;
}