* {
  padding: 0;
  margin: 0;
  box-sizing: border-box;
  font-family: "Poppins", sans-serif;
}
body {
  background-color: #1b76f2;
}
.container {
  background-color: #1a1820;
  width: min(37.5em, 90%);
  position: absolute;
  transform: translate(-50%, -50%);
  top: 50%;
  left: 50%;
  padding: 3em;
  border-radius: 0.5em;
}
h1 {
  text-align: center;
  font-weight: 500;
  color: #ffffff;
}
button {
  font-size: 1em;
  background-color: #1b76f2;
  display: block;
  margin: 2em auto;
  padding: 1em;
  color: #ffffff;
  border: none;
  outline: none;
  border-radius: 0.3em;
  cursor: pointer;
}
#otpDisplay {
  font-size: 1em;
  background-color: #2a292e;
  color: #ffffff;
  letter-spacing: 1em;
  text-align: center;
  padding: 1em 0;
}