change text from copyright

Hello two questions for site http://praxispetraweber.alfahosting.org/ 1. how and where can I change the text of the copyright at the bottom where it says: "Copyright © 2016 . Alle Rechte vorbehalten. and Catch Base Child Theme by Catch Themes Team" 2. I have display:none the text on the slider but is there a way that its not linked anymore....? I don´t get it with css. Thanx for this great theme.. Marga