body {
  display: flex;
  padding: 0;
  margin: 0;
  width: 100vw;
  height: 90vh;
  margin-top: 5vh;
  background-color: #000000;
  position: absolute;
  overflow: hidden;
  align-items: center;
}
html {
    background-color: #000000;
    overflow: hidden;
}
#logo {
  width: 50vw;
  height: auto;
  animation: fade 3s;
  margin-left: auto;
  margin-right: auto;
}
@keyframes fade {
  0% {
    opacity: 0;
  }

  100% {
    opacity: 1;
  }
}