What is a breakpoint in a program?

It is also sometimes simply referred to as a pause. More generally, a breakpoint is a means of acquiring knowledge about a program during its execution. During the interruption, the programmer inspects the test environment (general-purpose registers, memory, logs, files, etc.) to find out whether the program is functioning as expected.

What is a breakpoint in CSS?

Breakpoints are the building blocks of responsive design. Use them to control when your layout can be adapted at a particular viewport or device size. Use media queries to architect your CSS by breakpoint. Media queries are a feature of CSS that allow you to conditionally apply styles based on a set of browser and operating system parameters.

What are breakpoints in responsive web design?

Breakpoints are specific screen sizes used in responsive web design to adjust the layout of content based on the device being used. Mobile, tablet, and desktop breakpoints are the most commonly targeted ranges. When designing for mobile screens, the smallest range of devices, it's important to begin with a mobile-first design approach.