.preloader {
    position: fixed;
    left: 0px;
    top: 0px;
    width: 100%;
    height: 100%;
    z-index: 999999;
    display: flex;
    align-items: center;
    justify-content: center;  
    background: linear-gradient(
      115deg,
      rgba(240, 116, 39, 0.5),
      rgba(29, 87, 112, 1)
    );
    transition: all 0.5s;
    opacity: 1;
  }
  .preloader-remove {
    opacity: 0;
    z-index: -10;
  }
  
  .preloader-5 {
    display: block;
    position: relative;
    width: 150px;
    height: 150px;
    margin: 30px auto;
    border-radius: 50%;
    border: 3px solid transparent;
    border-top-color: #337AB7;
    animation: preloader-5-spin 2s linear infinite;
  }
  .preloader-5:before {
    content: "";
    position: absolute;
    top: 5px;
    left: 5px;
    right: 5px;
    bottom: 5px;
    border-radius: 50%;
    border: 3px solid transparent;
    border-top-color: #e66f0f;
    animation: preloader-5-spin 3s linear infinite;
  }
  .preloader-5:after {
    content: "";
    position: absolute;
    top: 15px;
    left: 15px;
    right: 15px;
    bottom: 15px;
    border-radius: 50%;
    border: 3px solid transparent;
    border-top-color: #29637270;
    animation: preloader-5-spin 1.5s linear infinite;
  }
  @keyframes preloader-5-spin {
    0%   {
        transform: rotate(0deg);
    }
    100% {
        transform: rotate(360deg);
    }
  }