Mozilla, the organization which made Firefox web browser has introduced Thimble, a web maker app, a browser based code editor to easily build web pages with HTML and CSS. One can easily use this browser based editor to learn code and build their own web pages.
There are some starter projects available to learn.
Thimble is webmaking made easy. It’s an intuitive visual editor that lets you write and edit HTML right in your browser, preview and correct your work, and then publish and share fully functional web pages with a single click. Thimble removes many of the barriers for novice users trying to learn code, and includes a series of starter projects and templates to help anyone get started quickly.