The Kuorinka wordpress has multiple h1s when it should have 1 max of two on each page. mainly the widgets are marked up as h1s when they should be a h2.

if you test the theme with a accessibity checker and select headings it will show which headings are marked up and what is wrong with them.
https://addons.mozilla.org/en-us/firefox/addon/accessibility-evaluation-toolb/

h1 element
The h1 element should contain the title for the web resource and may contain the title of the website.
The page should contain at least one and no more than two h1 elements.