.preloader {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 9999;
    width: 100%;
    height: 101%;
    background: rgba(0,0,0,0.6);
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column;
    gap: 50px;
}

.loader {
  width: 50%;
  height: 4.8px;
  display: inline-block;
  position: relative;
  background: rgba(255, 255, 255, 0.15);
  overflow: hidden;
}
.loader::after {
  content: '';
  width: 192px;
  height: 4.8px;
  background: #FFF;
  position: absolute;
  top: 0;
  left: 0;
  box-sizing: border-box;
  animation: animloader 2s linear infinite;
}

@keyframes animloader {
  0% {
    left: 0;
    transform: translateX(-100%);
  }
  100% {
    left: 100%;
    transform: translateX(0%);
  }
}