In this problem set, you will design and build mobile-first web pages and practice using a CSS framework.

To complete this problem set, follow the instructions in the README.md file for each problem. Note, this problem set uses screenshot matching for testing -- see instructions below.

This problem set comes with a suite of unit tests that you can use to check your work and understanding. Tests are not guaranteed to be comprehensive.

In order to run these tests, you will need to have the Jest test runner installed globally. You will also need to install the test dependencies listed in the package.json file:

npm install # install local packages for unit testing

You can run these tests by using the jest command from the repo's root directory, specifying the problem to test as an argument:

# run tests for exercise-1
jest exercise-1.spec.js

# run tests for all exercises
jest