Instructions on Readme.md can be confusing to some students.

[designerexpert]

Could we consider changing:

Use escaping to create a variable named @mobile that contains this value: (max-width: 500px). Use the variables.less file to house your styling.

With the following More Descriptive instructions:

Inside the variables.less file: Use escaping to create a variable named @mobile that contains this value: (max-width: 500px).