create a folder named ???(custom for this) in includes/templates/custom
Inside /custom create folders named common, images, css, templates,

Now from includes/templates/template_default, ftp to your computer, the /css folder& contents and the file template_info.php.

Open the template_info fil in a text editor find & change to your template name
Code:
 */
$template_name = 'place your template  name here';
Now FTP from your pc the file you just edited to includes/templates/custom/template_info.php.
Also FTP the 4 files in includes/templates/template_default/css folder to your /custom/css folder.

In the admin > tools > templates selection you shouuld see the template name that you just created. select it and click update. Now in the admin > tools > layout boxes controller select reset.

Now load your store and see the gawd awful color scheme. But now you are prepared to style and create that special look for your store.