.loader {
    animation: rotate 1s infinite;
    height: 50px;
    width: 50px;
  }

  .loader:before,
  .loader:after {
    border-radius: 50%;
    content: "";
    display: block;
    height: 20px;
    width: 20px;
  }
  .loader:before {
    animation: ball1 1s infinite;
    background-color: #fff;
    box-shadow: 30px 0 0 #ff3d00;
    margin-bottom: 10px;
  }
  .loader:after {
    animation: ball2 1s infinite;
    background-color: #ff3d00;
    box-shadow: 30px 0 0 #fff;
  }

  @keyframes rotate {
    0% { transform: rotate(0deg) scale(0.8) }
    50% { transform: rotate(360deg) scale(1.2) }
    100% { transform: rotate(720deg) scale(0.8) }
  }

  @keyframes ball1 {
    0% {
      box-shadow: 30px 0 0 #ff3d00;
    }
    50% {
      box-shadow: 0 0 0 #ff3d00;
      margin-bottom: 0;
      transform: translate(15px, 15px);
    }
    100% {
      box-shadow: 30px 0 0 #ff3d00;
      margin-bottom: 10px;
    }
  }

  @keyframes ball2 {
    0% {
      box-shadow: 30px 0 0 #fff;
    }
    50% {
      box-shadow: 0 0 0 #fff;
      margin-top: -20px;
      transform: translate(15px, 15px);
    }
    100% {
      box-shadow: 30px 0 0 #fff;
      margin-top: 0;
    }
  }


  .progress-loader {
      width: 38px;
      height: 38px;
      border-radius: 50%;
      display: inline-block;
      position: relative;
      border: 10px solid;
      border-color: rgba(255, 255, 255, 0.15) rgba(255, 255, 255, 0.25) rgba(255, 255, 255, 0.35) rgba(255, 255, 255, 0.5);
      box-sizing: border-box;
      animation: rotation 1s linear infinite;
  }

  @keyframes rotation {
      0% {
          transform: rotate(0deg);
      }

      100% {
          transform: rotate(360deg);
      }
  }