body {
  background: #e0f2f1;
}
h1 {
  text-align: center;
}
p {
  text-align: center;
}
form {
  text-align: center;
}
footer {
  text-align: center;
  color: grey;
}
.container {
  background: #e0f2f1;
  margin: 120px auto;
  max-width: 600px;
}
.example {
  font-size: 10px;
  color: grey;
}

@keyframes blink {
  50% {
    opacity: 0;
  }
}
.blink {
  animation: blink 1s step-start 0s infinite;
}