.servbigLoader, #preloader {
    position: fixed;
    top: 0;
    bottom: 0;
    left: 0;
    right: 0;
    display: flex;
    justify-content: center;
    align-items: center;
    transition: all 0.2s ease-in-out;
  }

  .servbigLoader {
    background-color: rgba(0,0,0, .7);
    z-index: 1070;
  }

  #preloader {
    background-color: #fff;
    z-index: 9999;
    transition-duration: .3s;
  }

    .servbigLoader.hide, #preloader.hide {
      opacity: 0;
      pointer-events: none;
    }

  .dot {
    display: inline-block;
    margin: 0 auto;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    margin-right: 0.4em;
    animation-name: dots;
    animation-duration: 2s;
    animation-iteration-count: infinite;
    animation-timing-function: ease-in-out;
  }

  @keyframes dots {
    50% {
      opacity: 0;
      transform: scale(0.7) translateY(10px);
    }
  }

  .dot-1 {
    background-color: #9246DA;
    animation-delay: 0.2s;
  }

  .dot-2 {
    background-color: #6485FA;
    animation-delay: 0.4s;
  }

  .dot-3 {
    background-color: #B1EAFC;
    animation-delay: 0.6s;
  }

  .dot-4 {
    background-color: #FFFFFF;
    animation-delay: 0.8s;
  }