It is possible to do the changes. If it is only a CSS change and related to the size of the image or the text size, please get back to us with the changes you want and we will come up with proper CSS suggestions.
But if you want to change things regarding the generated HTML code I suggest that you install a Child Theme and as per this article.
You can copy the file from the parent theme to the Child Theme (you will need to add the necessary folders in the Child Theme):
Parent Theme: wp-content/themes/x/framework/views/global/_content-the-content.php
Child Theme: wp-content/themes/x-child/framework/views/global/_content-the-content.php