readme update

Author: sbmsr

README.md

@@ -4,28 +4,28 @@
 
 This is a landing page written in HTML/CSS/JS. Your job is to fix these issues:
 
-1. Nav Buttons Don't Work (Desktop & Mobile)
-1. Desktop Nav Is Visible on Mobile
-1. Invert Banner Image Colors
-1. Tiles Need to be 2x2 CSS Grid
-1. Improve Errors on Signup Form Validation
+1. [Nav Buttons Don't Work](https://github.com/developer-job-simulation/vanilla-landing-page/issues/1)
+1. [Desktop Nav Is Visible on Mobile](https://github.com/developer-job-simulation/vanilla-landing-page/issues/2)
+1. [Invert Banner Image Colors](https://github.com/developer-job-simulation/vanilla-landing-page/issues/3)
+1. [Tiles Need to be 2x2 CSS Grid](https://github.com/developer-job-simulation/vanilla-landing-page/issues/4)
+1. [Improve Errors on Signup Form Validation](https://github.com/developer-job-simulation/vanilla-landing-page/issues/5)
 
 ## Learning Objectives
 
 You will learn and gain experience with:
 
-- Linking to Page Elements
-- Mobile Responsive Design
-- CSS Filters
-- CSS Grid
-- Stateful Form Validation
+- [Linking to Page Elements](https://developer.mozilla.org/en-US/docs/Web/HTML/Element/a)
+- [Mobile Responsive Design](https://developer.mozilla.org/en-US/docs/Learn/CSS/CSS_layout/Responsive_Design)
+- [CSS Filters](https://developer.mozilla.org/en-US/docs/Web/CSS/filter)
+- [CSS Grid](https://developer.mozilla.org/en-US/docs/Web/CSS/grid)
+- [Clientside Form Validation](https://developer.mozilla.org/en-US/docs/Learn/Forms/Form_validation)
 - Navigating a Large, Messy CSS File
 
 ## How to start working
 
 1. Fork this repo and clone it locally.
 1. Open index.html in your browser to see the current state of the project.
-1. Fix all the issues (hints are provided as TODO comments in the code)
+1. Fix all the issues (some hints are provided as TODO comments in the code)
 1. Once all your solutions are complete, create a single Pull Request to this repository
 1. Check if your solutions passes our automated tests.