body {
    background-color: black;
    color: white;
    font-size: 26px;
    font-family: monospace;
}
h2 {
    color: white;
    font-size: 30px;
    font-family: monospace;
}
a {
    color: white;
}
div.flex-container {
  display: flex;
  flex-direction: column;
}
div.flex-container > div {
  margin: 10px;
}
@media screen and (max-width:600px) {
  div.flex-container {
    flex-direction: column;
  }
}