Answer:
3) Improving image quality
Step-by-step explanation:
A responsive web design is a web design that makes website to be user friendly to website users. It enables the users to have an optimal and enjoyable experience when making use of websites.
A responsive web design is the basis on which websites are built. It makes websites interactive for users such that that find the websites easy to access, easy to read and very interactive.
Computer programs used for creating a responsive web design are:
a) JavaScript
b) Cascading Style Sheets e.t.c
The item used for formatting a responsive web design is Improving Image quality. This helps to make the website responsive for users.