.center {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 200px;
  margin-top: -30px;
  margin-left: -100px;
}

img {
  width: 100%;
}

.signal {
  position: absolute;
  top: -30px;
  right: -32px;
  width: 30px;
}

@-webkit-keyframes fadeIn {
  from {
    opacity: 0;
  }

  to {
    opacity: 1;
  }
}

@keyframes fadeIn {
  from {
    opacity: 0;
  }

  to {
    opacity: 1;
  }
}

.fade_in {
  -webkit-animation-name: fadeIn;
  animation-name: fadeIn;
  -webkit-animation-duration: 2s;
  animation-duration: 2s;
  -webkit-animation-fill-mode: both;
  animation-fill-mode: both;
}

@-webkit-keyframes flash {

  from,
  50%,
  to {
    opacity: 0;
  }

  25%,
  75% {
    opacity: 1;
  }
}

@keyframes flash {

  from,
  50%,
  to {
    opacity: 0;
  }

  25%,
  75% {
    opacity: 1;
  }
}

.flash {
  -webkit-animation-name: flash;
  animation-name: flash;
  -webkit-animation-duration: 10s;
  animation-duration: 10s;
  -webkit-animation-delay: 2s;
  animation-delay: 2s;
  -webkit-animation-fill-mode: both;
  animation-fill-mode: both;
  -webkit-animation-iteration-count: infinite;
  animation-iteration-count: infinite;
}