At first we create a html or css template by using an Html Editor or an IDE such as Dreamweaver . We must save this template in the filedmin Folder of the Typo3 installation. Then we open the typo3 backend site. In this section we create pages of our websites by using typo3 menus. and on the right side there is a menu named (Template).we click on it, its being opened the template section of our web site. Below of this page there is a Setup section and we click on the pencil icon. It will be opened a page . In this page we write this code:
This code is actually not sufficient to create the web site. But at least the beginning...