#myBtn {
  display: block;
  position: fixed;
  bottom: 20px;
  right: 30px;
  z-index: 99;
  font-size: 18px;
  border: none;
  outline: none;
  background-color: #38acec;
  color: white;
  cursor: pointer;
  padding: 15px;
  border-radius: 4px;
}

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

div.modal {
  background-color: rgba(0, 0, 0, 0.35);
}

#myBtn1 {
  display: block;
  position: fixed;
  bottom: 20px;
  left: 30px;
  z-index: 99;
  font-size: 18px;
  border: none;
  outline: none;
  background-color: #38acec;
  color: white;
  cursor: pointer;
  padding: 15px;
  border-radius: 4px;
}

#myBtn1:hover {
  background-color: #555;
}
.blinking {
  animation: blinkingText 0.5s infinite;
}
@keyframes blinkingText {
  0% {
    color: #fff;
  }
  25% {
    color: #444;
  }
  50% {
    color: #888;
  }
  75% {
    color: #444;
  }
  100% {
    color: #fff;
  }
}