.ninja-forms-app .ninja_forms_styles_settings_field_type.postbox {
    display: none;
}

.postbox {
    margin-bottom: 10px;
}
.postbox .hndle {
    cursor: pointer !important;
}
.postbox .nf-postbox-controls {
    font-family: "dashicons";
    font-size: 2em;
    position: absolute;
    right: 20px;
    top: -1px;
}
.postbox .nf-postbox-controls:before {
    content: "\f142";
}
.postbox.closed .nf-postbox-controls:before {
    content: "\f140";
}