* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

.loading:not(.show) {
  display: none;
}

.loading {
  background: linear-gradient(to bottom, #08325d, #02124d, #001030);
  width: calc(100vw - (100vw - 100%));
  height: 100vh;
  position: fixed;
  inset: 0;
  cursor: progress;
  user-select: none;
  z-index: 100;
}

.loading .bubble {
  width: 10px;
  aspect-ratio: 1;
  border-radius: 50%;
  position: absolute;
  background-color: rgba(255, 255, 255, 0.3);

  animation: 5s move-from-bottom-to-top forwards ease-out;
}

@keyframes move-from-bottom-to-top {
  0% {
    bottom: 0%;
  }

  100% {
    bottom: 110%;
  }
}