body {
    font-family: 'Poppins', sans-serif;
    margin: 0;
    padding: 0;
    min-height: 100vh;
}

.main_div {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 10px;
    font-size: 16px;
}

.head_h2 {
    font-size: 22px;
    color: #0264b3;
    margin-top: 20px;
    text-align: center;
    margin-bottom: 25px;
    font-weight: 600;
}

.calculator-section {
    background-color: #fff;
    padding: 30px;
    border-radius: 10px;
    box-shadow: rgba(0, 0, 0, 0.25) 0px 14px 28px, rgba(0, 0, 0, 0.22) 0px 10px 10px;
    width: 100%;
    max-width: 600px;
    margin-bottom: 30px;
}

.calculator-form-group {
    margin-bottom: 15px;
}

.calculator-form-group label {
    display: block;
    margin-bottom: 5px;
    color: #333;
    font-weight: bold;
}

.calculator-form-input {
    width: 100%;
    padding: 12px;
    border: 1px solid #ddd;
    border-radius: 5px;
    box-sizing: border-box;
}

.calculator-button {
    padding: 12px 20px;
    border: none;
    border-radius: 5px;
    width: 49%;
    cursor: pointer;
    background-color: #0264b3;
    color: #fff;
    font-size: 16px;
    font-weight: bold;
    transition: background-color 0.3s ease;
}

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

.calculator-form-buttons {
    display: flex;
    justify-content: space-between;
    margin-top: 20px;
}

.volatility-info {
    text-align: center;
    margin: 20px 0;
    font-size: 16px;
    color: #333;
}

.volatility-info a {
    color: #0264b3;
    text-decoration: none;
    font-weight: bold;
}

.volatility-info a:hover {
    text-decoration: underline;
}

.calculator-table-data-section {
    width: 100%;
    max-width: 600px;
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    justify-content: center;
}

.calculator-table-data {
    width: 100%;
    max-width: 280px;
    background-color: #fff;
    border-collapse: collapse;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: rgba(0, 0, 0, 0.25) 0px 14px 28px, rgba(0, 0, 0, 0.22) 0px 10px 10px;
    margin-bottom: 20px;
}

.calculator-table-data caption {
    background-color: #0264b3;
    color: #fff;
    padding: 10px;
    font-weight: bold;
    text-align: left;
}

.calculator-table-data td {
    padding: 10px;
    padding-left: 15px;
    border-bottom: 1px solid #ddd;
    color: #333;
}

.calculator-table-data tr:last-child td {
    border-bottom: none;
}

@media (max-width: 600px) {
    .calculator-form-buttons {
        flex-direction: column;
        gap: 10px;
    }

    .calculator-button {
        width: 100%;
    }

    .calculator-table-data-section {
        flex-direction: column;
        align-items: center;
        margin-bottom: 20px;
    }

    .calculator-section {
        width: 100%;
    }
}