.bbva-calculator-wrapper {
    background: #f5f5f5;
    padding: 15px;
    border: 1px solid #ddd;
    border-radius: 5px;
    margin-bottom: 25px;
}
.bbva-calculator-wrapper select,
.bbva-calculator-wrapper input {
    margin-bottom: 10px;
    width: 100%;
}