.lmask {
    position: absolute;
    height: 100%;
    width: 100%;
    background-color: #000;
    bottom: 0;
    left: 0;
    right: 0;
    top: 0;
    z-index: 99999;
    opacity: 0.4;
  }
  .lmask.fixed {
    position: fixed;
  }
  .lmask:before {
    content: '';
    background-color: rgba(0, 0, 0, 0);
    border: 5px solid rgba(0, 183, 229, 0.9);
    opacity: .9;
    border-right: 5px solid rgba(0, 0, 0, 0);
    border-left: 5px solid rgba(0, 0, 0, 0);
    border-radius: 50px;
    box-shadow: 0 0 35px #2187e7;
    width: 50px;
    height: 50px;
    -moz-animation: spinPulse 1s infinite ease-in-out;
    -webkit-animation: spinPulse 1s infinite linear;
    margin: -25px 0 0 -25px;
    position: absolute;
    top: 50%;
    left: 50%;
  }
  .lmask:after {
    content: '';
    background-color: rgba(0, 0, 0, 0);
    border: 5px solid rgba(0, 183, 229, 0.9);
    opacity: .9;
    border-left: 5px solid rgba(0, 0, 0, 0);
    border-right: 5px solid rgba(0, 0, 0, 0);
    border-radius: 50px;
    box-shadow: 0 0 15px #2187e7;
    width: 30px;
    height: 30px;
    -moz-animation: spinoffPulse 1s infinite linear;
    -webkit-animation: spinoffPulse 1s infinite linear;
    margin: -15px 0 0 -15px;
    position: absolute;
    top: 50%;
    left: 50%;
  }
  
  @-moz-keyframes spinPulse {
    0% {
      -moz-transform: rotate(160deg);
      opacity: 0;
      box-shadow: 0 0 1px #2187e7;
    }
    50% {
      -moz-transform: rotate(145deg);
      opacity: 1;
    }
    100% {
      -moz-transform: rotate(-320deg);
      opacity: 0;
    }
  }
  @-moz-keyframes spinoffPulse {
    0% {
      -moz-transform: rotate(0deg);
    }
    100% {
      -moz-transform: rotate(360deg);
    }
  }
  @-webkit-keyframes spinPulse {
    0% {
      -webkit-transform: rotate(160deg);
      opacity: 0;
      box-shadow: 0 0 1px #2187e7;
    }
    50% {
      -webkit-transform: rotate(145deg);
      opacity: 1;
    }
    100% {
      -webkit-transform: rotate(-320deg);
      opacity: 0;
    }
  }
  @-webkit-keyframes spinoffPulse {
    0% {
      -webkit-transform: rotate(0deg);
    }
    100% {
      -webkit-transform: rotate(360deg);
    }
  }