html {
    font-family: -apple-system,BlinkMacSystemFont,"Segoe UI",Helvetica,Arial,sans-serif,"Apple Color Emoji","Segoe UI Emoji","Segoe UI Symbol";
    font-size: 16px;
    line-height: 1.5;
    color: #24292e;
    background-color: #fff;
    margin: 0;
}
body {
    padding: 2rem;
    margin-left: auto;
    margin-right: auto;
    max-width: 80rem;
    text-align: center;
}
button {
  background-color: #555555;
  border: none;
  border-radius: 0.5rem;
  color: white;
  padding: 1rem 1.5rem;
  text-align: center;
  text-decoration: none;
  display: inline-block;
  font-size: 16px;
  margin: 0.5rem 0;
}

button:hover {
    background-color: #888888;
}

.logo {
    border-radius: 2rem;
    max-width: 15rem;
}