Most of the files are :Copyright: This stylesheet has been placed in the public domain. Copyright 2014 Akretion - Alexis de Lattre Copyright 2014 Serv. Tecnol. Avanzados - Pedro M. Baeza Copyright 2014 Tecnativa - Pedro M. Baeza Copyright 2014-16 Akretion (Alexis de Lattre ) Copyright 2014-16 Akretion - Alexis de Lattre Copyright 2014-2016 Akretion (http://www.akretion.com/) Copyright 2016 Akretion (http://www.akretion.com/) Copyright 2017 Eficent Business and IT Consulting Services S.L. Copyright 2018 Carlos Dauden - Tecnativa Copyright 2018 Tecnativa - Carlos Dauden Copyright 2018 Flectra Community Many files also contain contributions from third parties. In this case the original copyright of the contributions can be traced through the history of the source version control system. When that is not the case, the files contain a prominent notice stating the original copyright and applicable license, or come with their own dedicated COPYRIGHT and/or LICENSE file.