I'm not sure I follow what you mean by "how can I extend powerstore pre-built page", please provide more details on what you are trying to accomplish.
when I said extend I mean adust the drop. I did solve my logo problem. Please can you tell me how to add more horizontal bar menu, I mistakely deleted some cms icones in the middle section of my theme page , please can you tell how to put it back, because at it stand i can't make any modification on this section , and finally can I used google translator script for multilanguage site in powerstore and how can I achieve this.
Thank you for your help