The yellow lock indicates that there some references to outside assets that are not using ssl. For instance, the html in the page may reference an image using
<img src='http://site.com/image.jpg'>
To fix the problem and remove the yellow triangle, use 'https' instead
<img src='https://site.com/image.jpg'>
This applies to css and javascripts as well.
<img src='http://site.com/image.jpg'>
To fix the problem and remove the yellow triangle, use 'https' instead
<img src='https://site.com/image.jpg'>
This applies to css and javascripts as well.