style.css

@import url("https://fonts.googleapis.com/css2?family=Cinzel&family=EB+Garamond&family=Epilogue:wght@200&display=swap");

 {
  box-sizing: border-box;
}

body {
  font-family: "Epilogue", sans-serif;
  background-color: rgb(33, 33, 59);

  background-image: URL("night-train.png");
  background-position: center;
  background-repeat: no-repeat;
  background-attachment: fixed;
  background-size: cover;
  -webkit-background-position: center;
  -webkit-background-repeat: no-repeat;
  -webkit-background-attachment: fixed;
  -webkit-background-size: cover;
  overflow: hidden;
  font-display: flex;
  flex-direction: column;
  align-items: center;
}

#container {
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 10% auto;
  height: 300px;
  width: 300px;
  position: relative;
  transform: scale(1);
}

.circle {
  background-color: #010f1c;
  height: 100%;
  width: 100%;
  border-radius: 50%;
  position: absolute;
  top: 0;
  left: 0;
  z-index: -1;
}

.gradient-circle {
  background: conic-gradient(
    #6d0975 10%,
    #7d6ae7 30%,
    #f6f5f8 50%,
    #6d0975 75%,
    #4a3d63 100%
  );
  height: 320px;
  width: 320px;
  z-index: -2;
  border-radius: 50%;
  position: absolute;
  top: -10px;
  left: -10px;
}

#pointer-container {
  position: absolute;
  top: -40px;
  left: 140px;
  width: 20px;
  height: 190px;
  animation: rotate 9s linear forwards infinite;
  transform-origin: bottom center;
  -webkit-animation: rotate 9s linear forwards infinite;
}

.pointer {
  background-color: #fff;
  border-radius: 50%;
  height: 20px;
  width: 20px;
  display: block;
}

p {
  font-size: 3rem;
  color: #fff;
  text-align: center;
}

.rotate {
  animation: rotate 9s linear forwards infinite;
  -webkit-animation: rotate 9s linear forwards infinite;
}

.grow {
  animation: grow 3s linear forwards;
  -webkit-animation: grow 3s linear forwards;
}

.shrink {
  animation: shrink 3s linear forwards;
  -webkit-animation: shrink 3s linear forwards;
}

/**ANIMATIONS**/

@keyframes rotate {
  from {
    transform: rotate(0deg);
  }

  to {
    transform: rotate(360deg);
  }
}

@keyframes grow {
  from {
    transform: scale(1);
  }

  to {
    transform: scale(1.2);
  }
}

@keyframes shrink {
  from {
    transform: scale(1.2);
  }

  to {
    transform: scale(1);
  }
}

/***background img adjusted according to different screen sizes***/
/***MOBILE*/
@media (min-width: 320px) and (max-width: 640px) {
  body {
    min-width: 100vw;
    background-position-x: -300px;
  }
  #container {
    margin: 20% auto;
  }

  .circle {
    height: 80%;
    width: 80%;
    left: 2rem;
  }

  .gradient-circle {
    height: 260px;
    width: 260px;
    top: -10px;
    left: 1.4rem;
  }

  #pointer-container {
    top: -30px;
    left: 140px;
    width: 20px;
    height: 150px;
  }

  .pointer {
    height: 20px;
    width: 20px;
  }

  p {
    font-size: 2rem;
    margin-top: -20px;
  }
}

/**LARGER SCREENS BACKGROUND POSITION**/
@media (min-width: 1400px) {
  body {
    background-position-y: -320px;
  }
}
@media (min-width: 1600px) {
  body {
    background-position-y: -500px;
  }

  @media (min-width: 1900px) {
    body {
      background-position-y: -800px;
    }
  }
}