Foundations exercises from odin project

Assignments from theodinproject.com to learn html, css and javascript at foundations path. At the moment these are projects that i'm workin' on:

• landing page: a simple web page using just html and css
• rock paper scissors: implementation of grade-school classic game on web to introduce javascript applications
• etch a sketch: a simple web sketch to draw throwing the mouse pointer over the grids
• calculator: a basic 4 operations calculator