#UseyourDrive.gf_upload_box .fileupload-start-button {
    display: none !important;
}

#UseyourDrive .fileupload-header-title,
#UseyourDrive .fileupload-add-button button,
#UseyourDrive .upload-add-file,
#UseyourDrive .upload-add-folder {
    pointer-events: none;
}