body {
  margin-top: 6em;
  font-size: 12pt;
  font-family: sans-serif;
  line-height: 150%;
}

.content {
  margin: auto;
  max-width: 600px;
}

h1 {
  display: block;
}

h1 img {
  width: 100%;
  height: auto;
}

#url-paragraph {
  display: block;
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
}

button {
  background-color: #ec1e1e;
  border: 1px solid #ec1e1e;
  border-radius: 4px;
  color: #fff;
  cursor: pointer;
  padding: 0.5em 1em;
  display: block;
  float: none;
  font-size: 12pt;
  margin: 8px 0;
  line-height: 150%;
}

button:hover {
  background-color: #fff;
  color: #ec1e1e;
}

button:last-child {
  margin: 0;
}

@media screen and (max-width: 550px) {
  button {
    width: 100%;
    margin: 8px 0;
  }
}

@media (prefers-color-scheme: dark) {
  body {
    background-color: #202023;
    color: #f9f9fa;
  }

  a {
    color: #45a1ff;
  }

  button {
    color: #202023;
  }

  button:hover {
    background-color: #202023;
    border-color: #ec1e1e;
  }
}