body {
  background-color: black;
  color: white;
  font-size: 1.3em
}
div {
  display: flex;
  height: 95vh;
  align-items: center;
  justify-content: center;
}
input[type="text"] {
  margin: 5px;
}
button {
  background-color: rgba(0, 0, 0, 0);
  border-color: rgba(0, 0, 0, 0);
}