What is CSS? – Definition
CSS (Cascading Style Sheets) is a style sheet language that describes the style of the HTML document. It describes how HTML elements are displayed on a page. CSS saves a lot of work as it may control the layout of multiple pages at once. Style formatting is usually saved in a separate .css file. Thanks to this, you can modify the layout of the whole site by changing only one file.
- The selector indicates the HTML element that you intend to style.
- The declaration block consists of one or several declarations, all of which are always separated by semicolons.
- All declarations contain the CSS property name and values which are separated by colons.
- Declarations always end with a semicolon, and declaration blocks are surrounded by curly brackets.
How to Change Color with CSS?
In the above example, “p” is the selector, which indicates the element we style, i.e. paragraph (<p>). “Color” is a property whereas “green” is its value. In this way, all <p> elements will have green text.