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Lesson 3. Designing Web Pages > Designing a Web page using layers

Designing a Web page using layers

Layers let you divide a Web page into rectangles that can be formatted and positioned individually. They represent DHTML layers, which means you can overlap, hide and show, and animate them on the page. They can contain any HTML element that a page can contain, such as text, an image, or another layer. However, some Web browsers may have problems with layers that contain tables or layout grids. If you embed a layer within another layer, the embedded box inherits any cascading style sheet information from the parent box.

Note

To display properly, layers require Web browser version 4.0 or later. To see what a layer would look like in a browser that doesn't support cascading style sheets (layers are built with cascading style sheets), turn off CSS Support in the browser's settings, as described in “Exploring style sheets” on page 394. Be sure to turn CSS support back on when you are finished.



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