index.css

/* Animation properties */
.star {
  animation: star 10s ease-out infinite;
}
.wars {
  animation: wars 10s ease-out infinite;
}
.byline span {
  animation: spin-letters 10s linear infinite;
}
.byline {
  animation: move-byline 10s linear infinite;
}

/* Keyframes */
@keyframes star {
  0% {
    opacity: 0;
    transform: scale(1.2) translateY(-0.75em);
  }
  20% {
    opacity: 1;
  }
  89% {
    opacity: 1;
    transform: scale(1);
  }
  100% {
    opacity: 0;
    transform: translateZ(-1000em);
  }
}

@keyframes wars {
  0% {
    opacity: 0;
    transform: scale(1.2) translateY(0.5em);
  }
  20% {
    opacity: 1;
  }
  90% {
    opacity: 1;
    transform: scale(1);
  }
  100% {
    opacity: 0;
    transform: translateZ(-1000em);
  }
}

@keyframes spin-letters {
  0%, 10% {
    opacity: 0;
    transform: rotateY(90deg);
  }
  30% {
    opacity: 1;
  }
  70%, 86% {
    transform: rotateY(0);
    opacity: 1;
  }
  95%, 100% {
    opacity: 0;
  }
}

@keyframes move-byline {
  0% {
    transform: translateZ(5em);
  }
  100% {
    transform: translateZ(0);
  }
}

/* Make the 3D work on the container */
.starwars-demo {
  perspective: 600px;
  transform-style: preserve3d;
}

/* General styles and layout */
body {
  background: #000 url("../assets/startPage/bg.jpeg");
  background-size:cover;
  display: flex;
  flex-direction: column;
  align-items: center;
  height: 100vh;

}

.starwars-demo {
  height: 17em;
  left: 50%;
  position: absolute;
  top: 40%;
  transform: translate(-50%, -70%);
  width: 34em;
}

.byline span {
  display: inline-block;
}

img {
  width: 100%;
}

.star, .wars, .byline {
  position: absolute;
}

.star {
  top: -0.75em;
}

.wars {
  bottom: -0.5em;
}

.byline {
  color: #fff;
  font-family: "ITC Serif Gothic", Lato;
  font-size: 2.25em;
  left: -2em;
  letter-spacing: 0.4em;
  right: -2em;
  text-align: center;
  text-transform: uppercase;
  top: 29%;
}

.start-game {
  border: 2px solid rgb(220,211,72);
  color: rgb(220,211,72);
  background-color: #000;
  padding: 15px;
  font-weight: 700;
  font-size: 30px;
  position: relative;
  transform: translateY(800%);
  border-radius: 10px;
} 

.start-game:hover{
  border: 2px solid yellow;
  color: yellow;
  background-color: rgb(27, 26, 26);
  box-shadow: 0px 0px 17px 0px yellow;
}

* {
  cursor:url(/assets/ships/cursor.cur), auto;
}