body {
  font-family: Arial, sans-serif;
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100vh;
  margin: 0;
  background: linear-gradient(to right, violet, indigo, blue, green, yellow, orange, red);
}

.container {
  text-align: center;
}

.number-container {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.number {
  font-size: 8em;
  margin-bottom: 20px;
  transition: font-family 0.5s ease-in-out;
}

.increment-btn {
  width: 400px;
  height: 150px;
  background-color: #3498db;
  border: 2px solid #2980b9;
  border-radius: 20px;
  font-size: 2em;
  color: #fff;
  cursor: pointer;
  transition: transform 0.3s ease-in-out, background-color 0.3s ease-in-out;
  box-shadow: 0px 5px 15px rgba(0, 0, 0, 0.2);
}

.increment-btn:hover {
  transform: scale(1.1);
  background-color: #2980b9;
}

.increment-btn:active {
  transform: scale(0.9);
  transition-duration: 0s; /* Disable transition for click effect */
}