.preloader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(250, 250, 250, 0.6);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999;
}
/*https://cssloaders.github.io/*/
.loader {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    position: relative;
    animation: rotate 1s linear infinite
  }
  .loader::before , .loader::after {
    content: "";
    box-sizing: border-box;
    position: absolute;
    inset: 0px;
    border-radius: 50%;
    border: 5px solid #c4c4c4;
    animation: prixClipFix 2s linear infinite ;
  }
  
  .loader::after{
    inset: 8px;
    transform: rotate3d(90, 90, 0, 180deg );
    border-color: #000;
  }

  @keyframes rotate {
    0%   {transform: rotate(0deg)}
    100%   {transform: rotate(360deg)}
  }

  @keyframes prixClipFix {
      0%   {clip-path:polygon(50% 50%,0 0,0 0,0 0,0 0,0 0)}
      50%  {clip-path:polygon(50% 50%,0 0,100% 0,100% 0,100% 0,100% 0)}
      75%, 100%  {clip-path:polygon(50% 50%,0 0,100% 0,100% 100%,100% 100%,100% 100%)}
  }