/* Taken from https://www.demo2s.com/html-css/css-flowing-circuit-animation.html */

.bar {
   position: absolute;
   margin: 0em 0em 0em 0em;
   background: orange;
   bottom:0;
   left:50%;
   width:5px;
   height:60%;
   animation-name:zap2;
   animation-delay:.2s;
   animation-duration:2s;
}

@keyframes zap2  {
   0% {
      height:0;
   }

   100% {
      height:60%;
   }

}