.click-animation{
  animation-name: blink;
  animation-duration: 0.5s;
  animation-fill-mode: forwards;
  animation-iteration-count: 1;
}

@keyframes blink{
  0%{
    background-color: #808080;
  }
  50%{
    background-color: orange;
  }
  100%{
    background-color: #808080;
  } 
}