Normally when we are using Master/Content style pages, we apply the css to Master page so every page child of the master page can use the style but I don\'t want this,I want
Normally I put a content placeholder in the head section of the master page. That way any content page can add extra css/js/etc references to the head of the page.
In your master page put the following
... title, meta tags, js and css links ...
Then in your pages you can include extra elements in the head using this