@charset "UTF-8";
#myBtn {
  display: none;
  position: fixed;
  bottom: 20px;
  right: 30px;
  z-index: 99;
  font-size: 14px;
  border: none;
  outline: none;
  background-color: rgba(255, 0, 0, 0.6);
  color: white;
  cursor: pointer;
  padding: 10px;
  border-radius: 4px;
}

#myBtn:hover {
  background-color: #555;
}

@keyframes blink-smooth {
  to {
    color: transparent;
  }
}

@keyframes blink {
  50% {
    color: transparent;
  }
}

.highlight {
  animation: 1s blink-smooth 6 alternate;
}

.highlight2 {
  animation: 1s blink 10 steps(1);
}