loading.css

body {
  margin: 0;
  padding: 0;
}


/* Loading Screen */
.preloader {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  transition: 1s;
}

.preloader::before {
  content: "";
  position: absolute;
  left: 0;
  width: 50%;
  height: 100%;
  background: #000000;
  transition: 1s;
}

.preloader.complete::before {
  left: -50%;
}

.preloader::after {
  content: "";
  position: absolute;
  right: 0;
  width: 50%;
  height: 100%;
  background: #000000;
  transition: 1s;
}

.preloader.complete::after {
  right: -50%;
}




/* Loading Animation */
.loader {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 40px;
  height: 40px;
  box-sizing: border-box;
  border: 3px solid #ffffff;
  animation: loaderAnimation 2s linear infinite;
  z-index: 9999;
}

.loader::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  bottom: 0;
  right: 0;
  background: #ffffff;
  animation: loaderAnimationBg 2s linear infinite;
}

.preloader.complete {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;

}

@keyframes loaderAnimation {
  0% {
    transform: translate(-50%, -50%) rotate(0deg);
  }

  25% {
    transform: translate(-50%, -50%) rotate(180deg);
  }

  50% {
    transform: translate(-50%, -50%) rotate(180deg);
  }

  75% {
    transform: translate(-50%, -50%) rotate(360deg);
  }

  100% {
    transform: translate(-50%, -50%) rotate(360deg);
  }
}

@keyframes loaderAnimationBg {
  0% {
    height: 0;
  }

  25% {
    height: 0;
  }

  50% {
    height: 100%;
  }

  75% {
    height: 100%;
  }

  100% {
    height: 0;
  }
}