body {
  font-family: 'Arial', sans-serif;
  background-color: #0f3d0f;
  color: #e0ffe0;
  margin: 0;
  padding: 0;
  text-align: center;
}

.container {
  max-width: 600px;
  margin: 60px auto;
  padding: 20px;
  background-color: #1a4d1a;
  border-radius: 10px;
  box-shadow: 0 0 20px #00ff00;
}

.omnitrix-container img {
  width: 150px;
  margin: 20px 0;
  cursor: pointer;
  transition: transform 0.2s;
}

.omnitrix-container img:active {
  transform: scale(0.95);
}

.upgrades {
  margin-top: 30px;
}

button {
  background-color: #00cc00;
  color: black;
  padding: 10px 20px;
  margin: 10px;
  border: none;
  border-radius: 6px;
  cursor: pointer;
  font-weight: bold;
}

button:hover {
  background-color: #009900;
}