html {
  height: 100%;
}
body {
  background-color: #2c2c2c;
  font-family: monospace;
  text-align: center;
  letter-spacing: 1px;
  flex-direction: column;
  height: 100%;
  display: flex;
  margin: 0;
}
h1 {
  color: #fff;
  letter-spacing: 5px;
  font-size: 32px;
}
a {
  color: #57C9FF;
  text-decoration: none;
}
.header {
  flex-grow: 1;
}
.footer {
  flex-grow: 2;
}