@keyframes spin {
  0% { background-position: 0; }
  100%{background-position: 150%;}
 
}
@keyframes spin2 {
  0% { background-position: 0; }
  100%{background-position: 200%;}
 
}
@keyframes blink-caret {
  
  0%{ opacity: 0;}
  50%{opacity: 1;}
  100% { opacity: 0; }
}