body {
    font-family: Arial, sans-serif;
    background-color: #f9f9f9;
}

.container {
    width: 90%;
    max-width: 600px;
    margin: 20px auto;
    padding: 20px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
    background-color: #fff;
}

.field-group {
    margin-bottom: 15px;
}

input[type="text"] {
    width: calc(100% - 20px);
    padding: 10px;
    margin-top: 5px;
    box-sizing: border-box;
    border: 1px solid #ddd;
    border-radius: 4px;
}

button {
    width: 100%;
    padding: 10px;
    margin-top: 10px;
    border: none;
    border-radius: 4px;
    background-color: #007bff;
    color: white;
    cursor: pointer;
}

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

.result-box {
    text-align: center;
    padding: 20px;
    margin-top: 20px;
    background-color: #f0f0f0;
    border-radius: 4px;
}