body {
  display: flex;
  justify-content: center;
  align-items: center;
  margin: 0;
  padding: 0;
  font-family: Courier, mono;
  font-size: 18px;
  background-color: #eee;
}

div.center {
  width: 50%;
  margin: 0;
  padding: 0;
  text-align: center;
}

input, button {
  width: 100%;
  border: 1px solid #333;
  border-radius: 5px;
  font-family: Courier, mono;
  font-size: 18px;
  text-align: center;
  color: #000;
  height: 2em;
}

input {
  background-color: #fff;
}

button {
  background-color: #bbb;
}

input.secure {
  -webkit-text-security: disc;
}

hr {
  width: 50%;
  border: 0.5px solid #333;
}

@media only screen and (max-width: 1080px) {
  body, input, button {
    font-size: 30px;
  }

  div.center {
    width: 90%;
  }
}