* {
  box-sizing: border-box;
  padding: 0;
  margin: 0;
  font-family: monospace;
  color: #ffffff;
}

html, body {
  background-color: #070707;
  margin-bottom: 2em;
}

.iframe {
  width: 50%;
  min-width: 300px;
  max-width: 1000px;
}