index.css

html,
body {
  margin: 0;
  line-height: 1.4;
  font-weight: lighter;
  color: white;
  font-family: sans-serif;
  min-height: 100vh;
  user-select: none;
  background-color: darkcyan;
  pointer-events: none;
  text-align: center;
  overflow: hidden;
}

#title {
  color: skyblue;
  text-align: center;
  margin-top: 10vh;
}

#hint-frame {
  z-index: 1000;
  background-color: grey;
  position: fixed;
  width: 100%;
  opacity: 0.9;
  backdrop-filter: blur(20px);
  background-color: rgba(128, 128, 128, 0.5);
  transform: translate(-50%, -100%);
  transition: transform 2s ease-in-out;
  text-align: center;
  top: 0;
}

#hint {
  color: white;
}

.animate-up {
  animation: slideUp 2s ease-in-out forwards, fadeIn 1s ease-in-out forwards;
}

.white-screen {
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  right: 0;
  background-color: white;
  z-index: 9999; /* Place it above other elements */
  opacity: 0;
  pointer-events: none; /* Prevent interaction with the white screen */
  transition: 2.5s ease-in-out;
}

.white-screen.shine {
  opacity: 1;
  transition: 2.5s ease-in-out;
}

@keyframes slideUp {
  from {
    transform: translateY(100vh);
  }
  to {
    transform: translateY(50vh);
  }
}

@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

@keyframes fadeIn {
  from {
    opacity: 0; /* Start transparent */
  }
  to {
    opacity: 1; /* Fully opaque */
  }
}

@keyframes fadeOut {
  from {
    opacity: 1; /* Start transparent */
  }
  to {
    opacity: 0; /* Fully opaque */
  }
}

.column {
  display: flex;
  flex-direction: column;
  justify-content: center; /* Horizontally center items */
  align-items: center; /* Vertically center items */
}
.row {
  display: flex;
  flex-direction: row;
  justify-content: center; /* Horizontally center items */
  align-items: center; /* Vertically center items */
}

.spin {
  animation: rotation 3s linear infinite; /* Default animation */
}
.spin.fast {
  animation: rotation 1s linear infinite; /* Faster animation */
}
@keyframes rotation {
  from {
    transform: rotate(0deg);
  }

  to {
    transform: rotate(359deg);
  }
}

.center {
  display: flex;
  justify-content: center;
  align-items: center;
  text-align: center;
  margin: 20px;
}