Design a Website Mockup ()

i already have the Joomla website folder, i need to make interface similar like from beginning to end by uploading some of the products: 1) [login to view URL] 2) fully customizable (words, updating and etc) 3) choice of color: Blue 4) make the bottom font visible, white 5) akeeba backup joomla extension 6) paypal integration, similar to the [login to view URL] and upload some of the products