body {
  font-family: 'Arial', sans-serif;
}

#logo {
  height: 100px;
  width: 100px;
  border: none;
  border-radius: 50%;
  outline: none;
}

.navbar {
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

#intro {
  background: #f8f9fa;
  padding: 50px 0;
  border-radius: 8px;
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

#features {
  background: #fff;
  padding: 50px 0;
  border-radius: 8px;
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

.feature-card {
  transition: transform 0.3s, box-shadow 0.3s;
}

.feature-card:hover {
  transform: scale(1.05);
  box-shadow: 0 8px 16px rgba(0, 0, 0, 0.2);
}

#merge {
  background: #f8f9fa;
  padding: 50px 0;
  border-radius: 8px;
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

#mergeBtn {
  transition: background-color 0.3s, transform 0.3s;
}

#mergeBtn:hover {
  background-color: #0056b3;
  transform: scale(1.05);
}

#downloadLink {
  transition: background-color 0.3s, transform 0.3s;
}

#downloadLink:hover {
  background-color: #28a745;
  transform: scale(1.05);
}