demo: Materialize - Dropdown (no JavaScript or jQuery) - https://rtstewart.github.io/Build-Four-UI-Elements-1/Materialize-Dropdown/ Materialize - Collapsible (no JavaScript or jQuery - https://rtstewart.github.io/Build-Four-UI-Elements-1/Materialize-Collapsible/ Materialize - Modals (used JavaScript) - https://rtstewart.github.io/Build-Four-UI-Elements-1/Materialize-Modals/ Materialize - Waves (did both a jQuery version and JavaScript version - https://rtstewart.github.io/Build-Four-UI-Elements-1/Materialize-Waves/ code: look at the extracted files.