body {
    font-family: 'Arial', sans-serif;
    background-color: #f4f4f4;
    margin: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100vh;
}

.converter-container {
    background-color: #fff;
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 0 20px rgba(0, 0, 0, 0.2);
    text-align: center;
    max-width: 400px;
    width: 100%;
}

.input-container {
    margin-bottom: 20px;
}

label {
    display: block;
    margin-bottom: 8px;
}

input, select {
    width: calc(100% - 16px);
    padding: 12px;
    box-sizing: border-box;
    border: 1px solid #ccc;
    border-radius: 4px;
}

button {
    background-color: #4caf50;
    color: #fff;
    padding: 12px 20px;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

button:hover {
    background-color: #45a049;
}

#result {
    margin-top: 30px;
    font-size: 18px;
    color: #333;
    padding: 15px;
    background-color: #e1f3e5;
    border-radius: 4px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
}