body {
    font-family: 'Arial', sans-serif;
    background-color: #f4f7f6;
    padding: 20px;
}

.container {
    background-color: #fff;
    max-width: 500px;
    margin: 20px auto;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 4px 8px rgba(0,0,0,0.1);
}

h2 {
    text-align: center;
    color: #333;
}

form {
    display: flex;
    flex-direction: column;
}

label {
    margin: 10px 0 5px;
    font-weight: bold;
}

input {
    padding: 10px;
    margin-bottom: 15px;
    border: 1px solid #ddd;
    border-radius: 4px;
}

button {
    padding: 10px;
    background-color: #28a745;
    color: white;
    border: none;
    border-radius: 4px;
    font-size: 16px;
    cursor: pointer;
}

button:hover {
    background-color: #218838;
}

hr {
    border: 0;
    border-top: 2px solid #ccc;
    max-width: 600px;
}

.result-box {
    margin-top: 20px;
    padding: 15px;
    background-color: #e9ecef;
    border-left: 5px solid #007bff;
    border-radius: 4px;
}

.result-box p {
    font-size: 18px;
    margin: 5px 0;
}