.paypal-wrapper {
    position: relative;
    width: 100%;
    padding-bottom: 75px; /* Adjust height based on your button size */
    height: 0;
    overflow: hidden;
}

.paypal-wrapper iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: none;
}

.iframe-container {
    width: 100%;
    min-height: 700px; /* Ensure this is tall enough for the buttons */
}

#paypalFrame {
    width: 100%;
    height: 100%;
    border: none;
}

.stl-checkout-shell {
    max-width: 760px;
    margin: 2.25rem auto 2.75rem auto;
    padding: 1.35rem 1.4rem 1.25rem 1.4rem;
    background: #f8f8f8;
    border: 1px solid #111111;
    border-radius: 8px;
}

.stl-checkout-title {
    margin: 0 0 .45rem 0;
    font-size: 1.15em;
    line-height: 1.25;
    color: #111111;
    font-weight: 700;
}

.stl-checkout-sub {
    margin: 0 0 1rem 0;
    color: #555555;
    font-size: .98em;
    line-height: 1.5;
}

.stl-checkbox-row {
    display: flex;
    align-items: flex-start;
    gap: .8rem;
    margin: 0 0 1.15rem 0;
}

    .stl-checkbox-row input[type="checkbox"] {
        width: 22px;
        height: 22px;
        margin-top: 2px;
        accent-color: #111111;
        cursor: pointer;
        flex: 0 0 auto;
    }

    .stl-checkbox-row label {
        margin: 0;
        font-size: 1.02em;
        line-height: 1.45;
        color: #111111;
        cursor: pointer;
    }

.stl-checkout-wrap h3 {
    margin: 0 0 1rem 0;
}

@media (max-width: 640px) {
    .stl-checkout-shell {
        margin: 1.5rem 1rem 2rem 1rem;
        padding: 1rem;
    }

    .stl-checkbox-row {
        gap: .7rem;
    }

        .stl-checkbox-row label {
            font-size: .98em;
            line-height: 1.4;
        }
}