body {
  margin: 0;
  overflow: hidden;
}

#pre-loading {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  transition: opacity 1.5s ease;
  background-color: #000000;
}

#pre-loading.fade-out {
  opacity: 0;
  pointer-events: none;
}

#pre-loading img,
#pre-loading svg {
  width: 60%;
  max-width: 300px;
  height: auto;
}