#border {
  border-bottom: solid 3px rgba(0,255,0,.75);
  position: relative;	
  width: 20px;
}
* {
caret-color: transparent;
}
#border {
   animation: animated-cursor 600ms steps(30,end) infinite;
}

/* text animation */

@keyframes animated-text{
  from{width: 0;}
  to{width: 480px;}
}

/* cursor animations */

@keyframes animated-cursor{
  from{border-bottom-color: rgba(0,255,0,.75);}
  to{border-bottom-color: transparent;}
}