This website shows the parallax effect, uses HTML and CSS.
So, in parallax, the background will not move but the foreground(the images or text content) will move while scrolling.
the style.css file contains the css file contents.
CSS (Cascading Style Sheets) is used to style and layout web pages — for example, to alter the font, color, size, and spacing of your content, split it into multiple columns, animations etc. Basi
images->contains three images
HTML (Hypertext Markup Language) provides a basic skeleton, structure to the website.
JS (JavaScript) scipting lang that it is able to run in the browser itself.