.load{
  position: fixed;
  width: 100vw;
  height: 100vh;
  background-color: #191970;
  color: #ffffff;
  font-size: calc(24px * var(--window_ratio));
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 1000;
}
.blink{
  animation:BLINK 0.6s ease-in-out infinite alternate;
}
@keyframes BLINK {
  0%{opacity:1.0;}
  100% {opacity:0;}
}