How to approach layout for a large and developing project?

Question

css

Interested in the approach to layout, when the project is large and constantly evolving, something is being finalized and changed.
For programmers, each time they turn to a designer, then a layout designer - a huge waste of time and money.
Are there any good practices for solving this problem?

Answer 1

read about bem

Answer 2

bem
gulp/grunt
sass/less/stylus
you will only have to turn to front-end designers because their time is less than that of a front-end developer