.preloader-scan {
 
  position: relative;
  left: 0;
  right: 0;
  padding:20px; 
  top: 14vh;
  display: table;
  margin: 0 auto; 
  text-align: center;
  -webkit-animation: neon1 1.5s ease-in-out infinite alternate;
  -moz-animation: neon1 1.5s ease-in-out infinite alternate;
  animation: neon1 1.5s ease-in-out infinite alternate;

}

 
.scan-area {
        
  width:  80vw;
  border: solid 3px #818181;
  height:60vh; 
}

.preloader-scan .laser {
  width: 100%; 
  background-color: #7bd5ce;
  height: 1px;
  position: relative; 
  z-index: 2;
  box-shadow: 0 0 4px #7bd5ce;
  -webkit-animation: scanning 2s infinite;
          animation: scanning 2s infinite;
}
.preloader-scan .diode {
  -webkit-animation: beam .01s infinite;
          animation: beam .01s infinite;
}



@-webkit-keyframes beam {
  50% {
    opacity: 1;
  }
}

@keyframes beam {
  50% {
    opacity: 1;
  }
}
@-webkit-keyframes scanning {
  50% {
    -webkit-transform: translateY(59vh);
            transform: translateY(59vh);
  }
}
@keyframes scanning {
  50% {
    -webkit-transform: translateY(59vh);
            transform: translateY(59vh);
  }
}