Scrollable Landing Page Design from: https://www.sketchappsources.com/free-source/1975-key-t-one-page-website-template-sketch-freebie-resource.html Top Menu and Side Slider changes (State) depending on the scroll position with the use of variables

skills assessment for students

Form validation using variables and states

First Project, just for fun..

Graphics & Credit from: https://www.sketchappsources.com/free-source/3805-clean-web-login-form-sketch-freebie-resource.html. A simple Login page of a webpage using interactive Proto.io components.