.loader{
  position: fixed;
  z-index: 150;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  height: calc(var(--vh, 1vh) * 100);
  background: white;
  display: flex;
  justify-content: center;
  align-items: center;
}

.loader img{
  width: 10%;
}