.ob-calculator-box {
    grid-column: 1 / -1;
    display: none;
    padding: 16px 17px;
    border-radius: 18px;
    background: rgba(215,230,196,.12);
    border: 1px solid rgba(215,230,196,.20);
    color: #ecffe4;
    line-height: 1.55;
}

.ob-calculator-box.show {
    display: block;
}

.ob-calculator-box strong {
    display: block;
    margin-bottom: 5px;
    color: #fff;
    font-size: 18px;
}

.ob-calculator-box small {
    display: block;
    margin-top: 6px;
    color: rgba(255,255,255,.68);
}