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

Form validation using variables and states

An endangered species is a type of organism that is threatened by extinction. Species become endangered for two main reasons: loss of habitat and loss of genetic variation.

2 types of modals / popup examples

Coronavirus COVID-19 Global Cases by Johns Hopkins CSSE - Mobile Version Using an embed map from https://www.arcgis.com/

Setting up a calendar event using Proto.io Templates and Variables

Filtering Activity Feed (Templates) by Tags using Container States Filter / container states

Car rental created with related drop down menus. Submenu depends on parent menu selection

Popup message on iPhone simulation Message appears in 2 seconds after screen loads / swipe left to dismiss / tap message app to run again