body {
  font-family: Arial, sans-serif;
  background-color: #f4f4f4;
  transition: background-color 0.5s; 
  background-image: url('/img/_f1fa85fd-4dfe-47cf-8c02-ea87302cb55a.jpeg');
  background-size: cover; 
  background-position: center;
}

.container {
  max-width: 600px;
  margin: 50px auto;
  padding: 20px;
  background-color: #fff;
  border-radius: 5px;
  box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
  text-align: center;
  transition: box-shadow 0.3s, transform 0.3s; 
}

h1 {
  color: #333;
  transition: color 0.5s; 
}

input[type="number"],
input[type="text"] {
  width: 80%;
  padding: 10px;
  margin: 10px auto;
  border: 1px solid #ccc;
  border-radius: 5px;
  transition: border-color 0.3s; 
}

button {
  padding: 10px 20px;
  background-color: #007bff;
  color: #fff;
  border: none;
  border-radius: 5px;
  cursor: pointer;
  transition: background-color 0.3s, transform 0.3s; 
}

button:hover {
  background-color: #0056b3;
}

#output,
#output-roman {
  margin-top: 20px;
  font-weight: bold;
  color: #007bff; 
  transition: color 0.5s; 
  background-color: #f8f9fa; 
  padding: 10px; 
  border-radius: 5px; 
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1); 
}

footer {
  margin-top: 50px;
  background-color: transparent;
  color: #0c0c0c;
  padding: 20px;
}

.social-links {
  display: flex;
  justify-content: center;
  margin-top: 10px;
}

.social-links a {
  margin: 0 10px;
}

.social-links img {
  width: 30px;
  height: 30px;
}

.signature {
  display: flex;
  align-items: center;
}

.signature img {
  height: 1em;
  margin-left: 5px; 
}