.blink_mail {
    animation: blink-animation 1s steps(5, start) infinite;
    -webkit-animation: blink-animation 1.33s steps(5, start) infinite;
}
  .blink_contact {
    animation: blink-animation 1s steps(5, start) infinite;
    -webkit-animation: blink-animation 1.66s steps(5, start) infinite;
  }
  .blink_time {
    animation: blink-animation 1s steps(5, start) infinite;
    -webkit-animation: blink-animation 1.99s steps(5, start) infinite;
  }
  .blink_quick_contact {
    animation: blink-animation 1s steps(5, start) infinite;
    -webkit-animation: blink-animation 1s steps(5, start) infinite;
  }
  @keyframes blink-animation {
    to {
      visibility: hidden;
    }
  }
  @-webkit-keyframes blink-animation {
    to {
      visibility: hidden;
    }
  }