Only for web Portfolio, not complete tutorial.
HTML is Hyper Text Markup Language.
Every web page structured by Html.
Learn Html
CSS is Cascading Style Sheets.
Web page designed and makeup by Css.
Learn CSS
JavaScript is Object Oriented Programming Language.
Web page reactiving and alived by JavaScript.
Learn JavaScript
Bootstrap is most popular CSS framework.
Web page can easily designed and responsive by Bootstrap.
Learn Bootstrap
React is most popular javaScript library.
Web page can easily reactiving by React.
Learn React