/* Hide the close button for the specified class */
.object_field_name_productSpecification .x-tab-close-btn {
    display: none !important;
}

.object_field_name_productSpecification .x-btn.pimcore_block_button_plus {
    display: none !important;
}
.object_field_name_productSpecification .x-toolbar-text.x-box-item.x-toolbar-item.x-toolbar-text-default {
    left: 0px !important;
}