data visualizations
designed overall user experience
HTML and CSS go hand in hand for developing flexible, attractive, and user-friendly websites. HTML (Hyper Text Markup Language) is used to show content on the page whereas CSS is used for presenting the page. HTML describes the structure of a Website semantically along with presentation cues, making it a mark-up language, rather than a programming language. HTML allows images and objects to be embedded and can be used to create interactive forms.
Where in Bootstrap which is a free front-end framework for faster and easier web development. Bootstrap includes HTML and CSS based design templates for typography, forms, buttons, tables, navigation, modals, image carousels and many other