<h1 class="fadeInUp-animation">CSS fade-in animation</h1>

* {
  box-sizing: border-box;
}

body,
html {
  font-family: "Roboto", sans-serif;
  background-color: black;
  color: white;
}

h1 {
  margin: 50px 0;
  text-align: center;
}

@keyframes fadeInUp {
  0% {
    transform: translateY(100%);
    opacity: 0;
  }
  100% {
    transform: translateY(0%);
    opacity: 1;
  }
}

.fadeInUp-animation {
  animation: 1.5s fadeInUp;
}