header {
  background-color: rgb(21, 21, 21);
  height: 80px;
  display: flex;
  align-items: center;
  gap: 30px;
  padding-left: 30px;
  padding-right: 30px;
  position: sticky;
}

body {
    margin: 0;
}

header a {
    color: white;
}

.sign-in {
    margin-left: auto;
    padding: 15px;
    box-shadow: inset 0 0 0 2px white;
    border-radius: 15px;
}

h1, h2, p, main a {
    margin-left: 20px;
    font-family: 'Courier New';
}

footer {
    background-color: rgb(21, 21, 21);
}

.footer-links {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 25px;
    padding-left: 20px;
    padding-right: 20px;
    height: 50px;
}

footer a, footer p {
    color: white;
}

a {
    font-family: 'Courier New';
}

.footer-extras {
    height: 70px;
    text-align: center;
}

h1 {
    font-size: 70px;
}

p {
    font-size: 20px;
}

footer p {
    font-size: 1em;
}

h2 {
    font-size: 50px;
    margin-bottom: -20px;
}

main a {
    font-size: 20px;
    color: rgb(45, 105, 255);
    padding: 5px;
    box-shadow: inset 0 0 0 2px  rgb(45, 105, 255);
    border-radius: 5px;
}

main {
    margin-bottom: 100px;
}