Introduction Inline CSS Styles are used to change the appearance of one particular element on a page, such as a picture, a heading or some text. They can be used to make simple changes, such as just changing the color of things, or they can be used to do far more complicated things like animations and special text effects. Images Css can be used to change a number of things about images, such changing the size, adding a border. or fancy effects like roll over effects. Element positioning You can use css to change the position of objects on the page, such as adding a margin or making text appear in the center of the page. It's really quite useful!.