USER STORIES (functionality of the site): 1. The user can access the site lifecell.ua from any browser. 2. The user has clear symbols and texts of the Main page. 3. The user has the opportunity to choose a language convenient for the perception of information. 4. The user in the Guest status has an opportunity to view and choose the goods from the site catalog. 5. The user has the opportunity to view the product by scrolling the mouse wheel. 6. The user has the opportunity to send the product of interest to the Cart. 7. The user has the opportunity to choose convenient delivery. 8. The user has the opportunity to choose the tariff convenient for him, based on a detailed description. 9. The user has the opportunity to design an individual tariff plan based on their own needs. 10. The user will be able to get acquainted with business proposals for opening a store "Lifecell". REQUIREMENTS (functionality of the site): 1. As a User, I want to have Guest status without registration in order to superficially read the content on the site. 2. As a User-Guest, I want to have filter buttons to select and filter an item by type. 3. As a Guest User, I want to be able to scroll the catalog from top to bottom to make the visual inspection of the product more comfortable. 4. As a Guest User, I want to be able to get acquainted with the details of the product in one click, in order to increase the motivation to buy the product. 5. As a Guest User, I want to be able to add the product to the cart in one click, so that it is stored there until payment 6. As a Guest User, I want to be able to choose the delivery option in order to control the budget and the turnover process 7. As a User-Guest, I want to be able to adjust the quantity of goods and return to the catalog for further review, in order to pay for the entire selection of goods in one operation. 8. As a Guest User, I want to be able to conveniently choose the language in order to more comfortably receive information on the site. 9. As a Guest User, I want to be interested in registering on the site. 10. As a Guest User, I want to be able to provide consulting support with the seller of the Lifecell.ua service. USER STORIES (UI): 1. The site interface meets all the requirements of the User's localization. 2. The site font does not exceed three sizes for easy reading. 3. The style of the site meets national and European standards. 4. The components of the pages have the same indents and spacing. 5. Symbols on the site must be understandable to the User and have a logical correspondence. 6. The site should not have too bright colors and flickering animations. 7. Inviolability of site design during page enlargement / reduction. 8. The site must be readable and free of spelling errors. 9. The site has easy navigation with toolbars and scrollbars. 10. When filling out the User's profile form, warnings about incorrect or erroneous data should appear in red. REQUIREMENTS UI (User Interface): 1. As a User, I want to perceive the color scheme of the site in the appropriate colors for my localization, so as not to impress my patriotic senses. 2. As a User, I want to accept no more than three font sizes in order to conveniently read all the information on the site. 3. As a User, I want to be able to be on a site that meets European standards, so that I can quickly navigate its pages. 4. As a User, I want to see the orderliness and non-clutter of components and elements of the site to more comfortably process the information provided. 5. As a User, I want to accept the correctly provided symbols and abbreviations on the sites, so that they have a logical correspondence in understanding. 6. As a User, I do not want to see very bright colors and flickering symbols in order not to distract my attention from reading the product site. 7. As a User, I want to be able to see the integrity of the design when enlarging / reducing the window, so as not to lose the logic of viewing, searching and buying goods. 8. As a User, I want to see a correctly spelled and error-free site in order not to cause a negative reaction of my aesthetic tastes. 9. As a User, I want to see a sufficient number of toolbars and scrollbars on each page of the site in order to easily navigate the site in different directions. 10. As a User, I want to see when filling out the login form a warning in red about incorrect data or errors, to quickly correct them.