.opg-pwyw-wrap {
    box-sizing: border-box;
    width: 100%;
    margin: 0 0 18px;
    padding: 16px;
    border: 1px solid rgba(0,0,0,.12);
    border-radius: 6px;
    background: rgba(255,255,255,.7);
}
.opg-pwyw-title {
    margin: 0 0 12px;
    font-size: 16px;
    line-height: 1.3;
    font-weight: 700;
}
.opg-pwyw-field {
    display: block;
    margin: 0;
}
.opg-pwyw-field-label {
    display: block;
    margin-bottom: 6px;
    font-size: 13px;
    font-weight: 600;
}
.opg-pwyw-input-row {
    display: flex;
    align-items: stretch;
    width: 100%;
}
.opg-pwyw-currency {
    display: flex;
    align-items: center;
    padding: 0 11px;
    border: 1px solid rgba(0,0,0,.18);
    border-right: 0;
    border-radius: 5px 0 0 5px;
    background: rgba(0,0,0,.045);
    font-size: 12px;
    font-weight: 700;
    white-space: nowrap;
}
.opg-pwyw-amount {
    box-sizing: border-box !important;
    width: 100% !important;
    min-width: 0 !important;
    margin: 0 !important;
    border-radius: 0 5px 5px 0 !important;
}
.opg-pwyw-minimum {
    margin-top: 7px;
    font-size: 12px;
    line-height: 1.35;
    opacity: .72;
}
.opg-pwyw-error {
    margin-top: 7px;
    font-size: 12px;
    line-height: 1.35;
    color: #b42318;
}
.opg-pwyw-invalid .opg-pwyw-amount {
    border-color: #b42318 !important;
}