The short answer is: Everything here is copyright by Deena and Ivan.
The long answer: Some design elements have been provided by third party software. They have there own copyrights. Unless stated otherwise, the text is original and copyrighted. The photographs and videos are also original and, unless indicated otherwise, are shared under the Creative Commons license, which generally allows you to use them elsewhere as long as the artist is prominently credited and you don’t restrict others more than you were. You can read those rules by clicking on this link.