Mixed Content Error
<p>Few days back,i installed SSL certificate to my site for securing my site  but now I'm getting the below error while inspecting my page
Mixed Content:The page at '<a href="https://www.example.com/" rel="nofollow noreferrer">https://www.example.com/</a>' was loaded over HTTPS, but requested an insecure stylesheet '<a href="http://fonts.googleapis.com/css?family=Open+Sans:300,400,600,700" rel="nofollow noreferrer">http://fonts.googleapis.com/css?family=Open+Sans:300,400,600,700</a>'. This request has been blocked; the content must be served over HTTPS.</p>

<p>I could not find the url in my theme's function.php or header.php
I'm using  </p>

<blockquote>
  <p>The7 — Responsive Multi-Purpose WordPress Theme</p>
</blockquote>

<p>Does anybody have idea about it</p>