/*************** big_loading ***************/
@-webkit-keyframes big_loading {
    0% {
      opacity: 0; }
    100% {
      opacity: 1; } }
  @-moz-keyframes big_loading {
    0% {
      opacity: 0; }
    100% {
      opacity: 1; } }
  @-o-keyframes big_loading {
    0% {
      opacity: 0; }
    100% {
      opacity: 1; } }
  @keyframes big_loading {
    0% {
      opacity: 0; }
    100% {
      opacity: 1; } }
  
  .big_loading-wrapper {
      position: fixed;
      top: 0;
      bottom: 0;
      right: 0;
      left: 0;
      /* background: rgb(0 0 0 / 28%); */
      background: #f8f9fa;
      z-index: 1029; 
  }
  
  .big_loading-wrapper .big_loading {
      position: absolute;
      width: 190px;
      top: 50%;
      margin-top: -23px;
      text-align: center;
      left: 50%;
      margin-left: -95px;
  }

  .big_loading_message {
    position: absolute;
    width: 190px;
    top: 57%;
    margin-top: -23px;
    text-align: center;
    left: 50%;
    margin-left: -95px;
  }
  
  .big_loading-wrapper .big_loading span {
        display: inline-block;
        vertical-align: middle;
        width: 10px;
        height: 50px;
        margin: 2px;
        position: absolute;
        left: 45px;
        top: 0;
        background: #0b9444;
        animation: big_loading 1s infinite alternate;
        transform: rotate(25deg);
        -webkit-border-radius: 10px;
        -moz-border-radius: 10px;
        border-radius: 10px; 
  }
  .big_loading-wrapper .big_loading span:nth-of-type(1) {
      background: #73bf80;
      animation-delay: 0.1s;
      left: 65px; 
        top: 7px;
        height: 40px;
  }
  .big_loading-wrapper .big_loading span:nth-of-type(2) {
      background: #ffc107;
      animation-delay: 0.2s;
      left: 85px;
        top: 15px;
        height: 30px;
  }
  .big_loading-wrapper .big_loading span:nth-of-type(3) {
      background: #f6ad6a;
      animation-delay: 0.4s;
      left: 105px;
        top: 7px;
        height: 40px;
  }
  .big_loading-wrapper .big_loading span:nth-of-type(4) {
      background: #f07f09;
      animation-delay: 0.6s;
      left: 125px; 
  }