We can also make different styles of text and use them throughout a document. Large green text Small green text See this example. This import in the main document. Producing green headings locally. Layers are used to position elements at exact locations in the browser window.
Layers can contain text, images, plugins, and even other layers.
Layers are especially useful for making parts of your page overlap. You can make layers invisible and you can animate them. Timelines use dynamic HTML to change the properties of layers and images in a series of frames over time. You can use timelines to create animations that do not require any ActiveX controls, plugins, or Java applets. Timelines create animation simply by changing the position, size, visibility, and stacking order of a layer over time.