Second try custom pages

I created this page using the following method:

Go to Add new from the Pages tab on the admin panel.
Enter a custom internal name, for example my_custom_page
Enter a tittle, body could be left empty
Create your custom file, call it page-my_custom_page.php
Upload it to your theme folder. If your theme folder is sigma, upload it to oc-content/themes/sigma.

Here an example