.loading #app {
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  bottom: 0;
  background: url(./start.webp) no-repeat left top;
  background-size: cover;
}
.loading .loader {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  text-align: center;
  font-size: 16px;
  color: #fff;
  text-shadow: 1px 1px 0px #000;
}

.labb.loading #app,
.localhost.loading #app {
  background-image: url(./bubu/start.jpg);
}