body {
  margin: 0;
  background: url('bgimage.png') no-repeat center center;
  background-size: contain;
  background-color: black;
  background-attachment: fixed;
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100vh;
  flex-direction: column;
}

.container {
  text-align: center;
}

#monkey-img {
  width: 100%;
  max-width: 400px;
  min-width: 300px;
  height: auto;
  display: block;
  margin: 0 auto;
}


#switch-btn {
  margin-top: 30px;
  padding: 12px 25px;
  background-color: red;
  color: white;
  font-size: 22px;
  font-family: 'Comic Sans MS', cursive, sans-serif;
  border: 4px dashed #fff;
  border-radius: 10px;
  box-shadow: 3px 3px 0 #fff;
  cursor: pointer;
  transform: rotate(-3deg);
}

.header-bar {
  width: 100%;
  background-color: rgba(255, 0, 0, 0.9);
  display: flex;
  justify-content: center;
  gap: 20px;
  padding: 10px 0;
  position: absolute;
  top: 0;
  left: 0;
  font-family: 'Comic Sans MS', cursive, sans-serif;
  z-index: 10;
}

.header-btn {
  background: #fff;
  border: 3px dashed #000;
  border-radius: 10px;
  padding: 8px 16px;
  font-size: 20px;
  font-family: 'Comic Sans MS', cursive, sans-serif;
  cursor: pointer;
  transform: rotate(-2deg);
  box-shadow: 2px 2px 0 #000;
  transition: all 0.2s ease;
}

.header-btn:hover {
  background: #ffd2d2;
  transform: rotate(2deg);
}

.rain-img {
  position: fixed;
  top: -100px;
  width: 60px;
  height: auto;
  animation: fall 6s linear;
  z-index: 5;
  pointer-events: none;
  opacity: 1;
}

@keyframes fall {
  to {
    transform: translateY(110vh) rotate(360deg);
  }
}