* {
  margin: 0;
}
.loader {
  transition: 0.3s cubic-bezier(1, 0.01, 0.29, 1.01);
  background-color: transparent;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  right: 100%;
  position: fixed;
  height: 100vh;
  z-index: 101;
}

.loader i {
  position: fixed;
  left: 50%;
  transform: translate3d(-50%, -50%, 0);
  top: 50%;
  color: red;
}

body {
  margin: 0;
  opacity: 1;
}
body.loading {
  overflow: hidden;
  opacity: 0;
}


.loading:after {
  background-color: #fff;
  content: " ";
  position: absolute;
  top: 0;
  bottom: 0;
  width: 100%;
  z-index: 100;
}