.narrow-form {
    max-width: 900px;
    margin: 0 auto;
    background-color: #fff !important;
    padding: 25px;
    border: 1px solid #e8e8e8 !important;
    box-shadow: 0 0 10px #dcdcdc;
}

.narrow-form .ginput_container_checkbox {
    margin-top: 0 !important;
}

@media (min-width: 641px) {
    .narrow-form {
        padding: 25px 24px 30px 40px !important;
    }
}