body.page-id-41009 {
    .wpcf7 {
        max-width: 750px;
        padding: 40px;
        background: rgba(255,255,255,0.1);
        border-radius: 5px;
        text-align: left;
        margin: 0 auto;
    }
}

@media (max-width: 768px) {

    body.page-id-41009 {
        .wpcf7 {
            padding: 20px;
        }
    }

}