:root {
  background: #171717;
  color: #666666;
  font-family: Helvetica, Arial, sans-serif;
}

* {
  box-sizing: border-box;
}

html,
body {
  min-height: 100%;
  margin: 0;
}

body {
  background: #171717;
}

main {
  display: grid;
  min-height: 100vh;
  place-items: center;
}

h1 {
  margin: 0;
  color: #666666;
  font-family: Helvetica, Arial, sans-serif;
  font-size: 32px;
  font-weight: 400;
  letter-spacing: 0;
}