body {
  font-family: Arial, sans-serif;
  text-align: center;
  background-color: #4CAF50; /* Green background */
  margin: 0;
  padding: 0;
}

#draw-card {
  display: none;
  margin: 20px auto;
  padding: 10px 20px;
  background-color: #000;
  color: white;
  border: none;
  border-radius: 5px;
  cursor: pointer;
  font-size: 1.2em;
  position: absolute;
  top: 20px;
  left: 50%;
  transform: translateX(-50%);
}

#draw-card:hover {
  background-color: #333;
}

#card-container {
  margin-top: 100px;
}

#card-container img {
  margin: 10px;
  width: 150px;
  height: auto;
  border: 1px solid #ddd;
  border-radius: 5px;
  box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}