blink css

<style type="text/css">

.blink {

  animation: blink-animation 1s steps(20, start) infinite;

  -webkit-animation: blink-animation 1s steps(2

      

      0, start) infinite;

}

@keyframes blink-animation {

  to {

    background-color: #4cc927;

  }

}

@-webkit-keyframes blink-animation {

  to {

    background-color: #4cc927;

  }

}

</style>

원하는곳에 class="blink" 추가하기