web-html5-scripts/animations/marvel-intro-animation/style.css

body {
  height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
  margin: 0;
  font-family: "Roboto Condensed", sans-serif;
  background-image: radial-gradient(#730801, #1f0100);
  overflow: hidden;
}

#marvel {
  color: transparent;
  font-size: 250vh;
  -webkit-text-stroke: 2px #000;
  letter-spacing: -2vh;
  opacity: 0;
  animation: marvel 11s ease 2s forwards;
}

@keyframes marvel {
  0% {
    opacity: 0;
    font-size: 205vh;
    color: rgba(255, 255, 255, 0);
    -webkit-text-stroke-color: #000;
  }
  20% {
    opacity: 1;
    color: rgba(255, 255, 255, 0);
    -webkit-text-stroke-color: #000;
  }
  60% {
    color: rgba(255, 255, 255, 0.5);
    -webkit-text-stroke-color: #000;
  }
  100% {
    opacity: 1;
    font-size: 30vh;
    color: rgba(255, 255, 255, 1);
    -webkit-text-stroke-color: transparent;
  }
}

#bg {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
  opacity: 1;
  background-image: url(https://himalayasingh.github.io/marvel/img/img-1.jpg);
  background-attachment: fixed;
  background-size: cover;
  z-index: 1;
  transform: scale(1.4);
  animation: hideBg 14s ease 0s forwards;
}

@keyframes hideBg {
  0% {
    opacity: 1;
    transform: scale(1.4);
  }
  60% {
    opacity: 0.5;
  }
  100% {
    opacity: 0;
    transform: scale(1);
  }
}

#loader {
  display: flex;
  align-items: center;
  justify-content: center;
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
  text-align: center;
  background-color: #212121;
  z-index: 125;
}

#loader span {
  display: block;
  color: #fff;
  font-size: 16px;
  margin-top: 10px;
}

#loader span b {
  margin-left: 12px;
}

#hidden {
  position: fixed;
  opacity: 0;
  z-index: -1;
}

#ytd_link {
  display: none;
  position: fixed;
  right: 20px;
  bottom: 20px;
  color: #fff;
  font-size: 30px;
  text-decoration: none;
  z-index: 1;
}

.cursor {
  cursor: pointer;
}