How do I customize the look and feel(customizing HTML structure) of the out of the box RSS viewer web part in sharepoint 2013?

Question

here i want to customise the RSS reviewer web part where i can apply HTML any structure in sharepoint 2013. same thing i have done with custom web part but i want to try the same for OOTB web part?can any one guide me with this?

Answer 1

Customizing RSS viewer webpart check this link might help