.funnel-calculator {
    max-width: 500px;
    margin: 20px auto;
    padding: 20px;
    background-color: #f8f9fa;
    border: 1px solid #ddd;
    border-radius: 8px;
    font-family: Arial, sans-serif;
}
.funnel-calculator h2 {
    text-align: center;
    color: #333;
}
.funnel-calculator label {
    font-weight: bold;
    margin-top: 10px;
    display: block;
}
.funnel-calculator input, .funnel-calculator select, .funnel-calculator button {
    width: 100%;
    padding: 10px;
    margin: 5px 0 15px;
    border: 1px solid #ccc;
    border-radius: 4px;
    font-size: 14px;
}
.funnel-calculator button {
    background-color: #007bff;
    color: white;
    border: none;
    cursor: pointer;
}
.funnel-calculator button:hover {
    background-color: #0056b3;
}
.funnel-calculator .result {
    margin-top: 20px;
    padding: 15px;
    background-color: #e9ecef;
    border: 1px solid #ddd;
    border-radius: 4px;
}
.funnel-calculator .result h3 {
    margin-top: 0;
    color: #333;
}