.g80{
  color: rgba(255,0,0,0.1);
  font-size: 20px;
  text-transform: uppercase;
  font-weight: 700;
  background-size: cover;
  background-image: url(https://cdn-images-1.medium.com/max/2000/1*Jalb56N34pBIGCjQULtW3A.jpeg);
  -webkit-background-clip: text;
  animation: background-text-animation 15s linear infinite;
}
@keyframes background-text-animation {
  0%{
    background-position: left 0px top 50%;
  }
  50%{
    background-position: left 1500px top 50%;
  }
  100%{
    background-position: left 0px top 50%;
  }
}