Question

allow you to control the look and feel of several pages by changing a single source.​

Answer 1

Answer:

The graphical interface allows you to control the look and feel of several pages.

Explanation:

• The best graphical interface is the one which gives the users a clean and user-friendly experience.
• Many new programming languages are used to create an interface through which users can control several pages.
• New programming languages are being used to make a more user-friendly interface.

Answer 2

Answer:

CSS (cascading style sheets) allows you to control the look & feel of several Pages by changing a single source.