we can use them without making any significant changes, but sometimes we are interested to customize the template in our own way
If you your blog have space between post body and sidebar or may be the spacing between header and post body,
So basically at last we need some partial changes to the templates to make a self satisfactory blog, in this context we need to learn some primary coding languages.
Follow the following steps Provided by Dealdimer.com :-
1) Go to Template-----Edit HTML