.rbmi-calculator {
    max-width: 400px;
    margin: auto;
    padding: 15px;
    border: 1px solid #ddd;
    border-radius: 8px;
    background: #f9f9f9;
	margin-bottom: 30px;
}

.rbmi-calculator label {
    display: block;
}

.rbmi-calculator input, .rbmi-calculator select {
    width: 95%;
    padding: 8px;
    margin-top: 4px;

}

.rbmi-calculator button {
    width: 100%;
    padding: 10px;
    background-color: #0073aa;
    color: white;
    border: none;
    margin-top: 10px;
    cursor: pointer;
    border-radius: 4px;
}

#rbmi-result {
    margin-top: 20px;
    text-align: center;
}

.rbmi-banner {
    margin-top: 15px;
}