Advantages of using CSS:
Cascading Style Sheets is extremely useful in building websites, as it gives the user a What You See Is What You Get Layout, effectively allowing a person to build and change anything on their respective WebPages without having to change any details in their site.
Through CSS users can change virtually anything in their website from font, background, background pictures, link colours and link behaviours just to name a few.
Templates:
Virtually everything can be changed on a template. Templates are given in order to ensure that the user has a foundation of a website is there. They usually have structure of a header, link placements (most popularly on the upper left side or in the header's masthead. Templates can be downloaded for a small cost, but it is just as easy to make your own in a program such as Dreamweaver.
Templates are vital in order to create conformity among websites individual pages. Without a proper set-up to work from in a template.
What cannot be changed in templates?
General size of WebPages. Although many templates will physically show extra information hat is shown on the page, templates usually have to stretch the pages, thus taking away from the general look of the website itself.
General Layout of WebPages cannot be changed with template options: compared to a custom built template, which can change as you need (and as a result, is much more expensive) a template is quite concrete in how the website will look, thus us it rather hard to change the look and feel of a website if you are using it from a template.
In cases where you do not like the template you have chosen, it is usually best to start over again with a new template.
