# Filling the Entire Page A common use of **RadSplitter** is to split an entire Web page. To do this, you need to set **Width** and **Height** properties to "100%". However, when doing this, you can encounter problems or unexpected behavior. To achieve the expected behavior, you need set the following attributes on the elements of the ASPX page: * The `` tag should have its height set to 100% and its margin set to 0px: `` * The `` tag should have its height set to 100% and its margin set to 0px. (The default margin of the body is 5 pixels.) `` * Any elements that contain the splitter control must also have those properties set: `
` * Optionally, if you want your page to be standards compliant, you can set the **DOCTYPE** directive to: `` * Optionally, you can remove the page scroll bars so that the application is as close as possible to a desktop application: `` ## Example The following example shows how to configure **RadSplitter** to fill the entire page and to achieve consistent behavior by setting the height of all of its parent elements. > note The example is **cross browser compatible.** ```ASP.NET <%@ Page language="c#" AutoEventWireup="false" %> <%@ Register Assembly="Telerik.Web.UI" Namespace="Telerik.Web.UI" TagPrefix="telerik" %> FullWindow ``` ## See Also * [Specifying Size](https://www.telerik.com/products/aspnet-ajax/documentation/controls/splitter/layout/specifying-size)