style.css

@import url('https://fonts.googleapis.com/css2?family=VT323&display=swap');

body {
  margin: 0; /* Removes the default margin */
  height: 100vh; /* Sets the height of the body to the full viewport height */
  overflow: hidden; /* Hides any overflow */
  background-image: url("background.jpg");
  animation: none;
  background-size: cover; /* Covers the entire area of the body, might crop some parts of the image */
  background-position: center; /* Centers the background image */
  background-repeat: no-repeat; /* Prevents repeating the background image */
}

@keyframes transition-in {
  0% {
    transform: scale(0.3);
    opacity: 0;
  }
  100% {
    transform: scale(1);
    opacity: 0.7;
  }
}

/* From https://codepen.io/patrickhlauke/pen/YaoBop */
@keyframes textflicker {
  from {
    text-shadow: 1px 0 0 #ea36af, -2px 0 0 #75fa69;
  }
  to {
    text-shadow: 2px 0.5px 2px #ea36af, -1px -0.5px 2px #75fa69;
  }
}

.container {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  right: 0;
  display: flex;
  flex-direction: column-reverse;
  align-items: center;
  justify-content: center;
}

.begin {
  font-size: 2em;
  font-family: 'VT323', monospace;
  font-weight: bolder;
  text-align: center;
  cursor: pointer;
}

.flicker-text {
  animation-duration: 0.01s;
  animation-name: textflicker;
  animation-iteration-count: infinite;
  animation-direction: alternate;
}

.phrase-box {
  font-family: 'VT323', monospace;
  color: white;
  font-weight: bold;
  /* animation: transition-in ease-in-out 3s; */
}

@media (max-width: 300px) {
  .phrase-box { font-size: 1em; }
}

@media (min-width: 500px) {
  .phrase-box { font-size: 2em; }
}

@media (min-width: 700px) {
  .phrase-box { font-size: 3em; }
}

img {
  width: 50%;
  animation: transition-in ease-in-out 3s;
  cursor: pointer;
}