The concept of a breakpoint is the foundation of responsive web design. Breakpoints are used to tie blocks of styling (and even entire stylesheets) to a set of viewport conditions that must be satisfied before they’re applied to a page.
The concept of a breakpoint is the foundation of responsive web design. Breakpoints are used to tie blocks of styling (and even entire stylesheets) to a set of viewport conditions that must be satisfied before they’re applied to a page.