body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    background-color: #f4f4f4;
    text-align: center;
    color: #333;
}

header {
    background-color: #ff9900;
    padding: 1rem;
    color: white;
}

h1 {
    margin: 0;
}

main {
    padding: 2rem;
}

.converter {
    background: white;
    padding: 2rem;
    margin: 2rem auto;
    max-width: 400px;
    border-radius: 8px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

input {
    width: 100%;
    padding: 0.5rem;
    margin: 1rem 0;
    border: 1px solid #ddd;
    border-radius: 4px;
}

button {
    background-color: #ff9900;
    color: white;
    padding: 0.5rem 1rem;
    border: none;
    border-radius: 4px;
    cursor: pointer;
}

button:hover {
    background-color: #e68a00;
}

#result {
    margin-top: 1rem;
    font-size: 1.2rem;
    font-weight: bold;
}

footer {
    margin-top: 2rem;
    padding: 1rem;
    background-color: #333;
    color: white;
}