How to set <asp:Panel> width to 25% of content size

asp.net, c#

Solution

Define Panel like this:

<asp:Panel CssClass="CustomWidth" ID="MyPanel" runat="server"> </asp:Panel>

Then link to an external css stylesheet that set the following:

.CustomWidth{     width: 25%; }

Problem

Hello can someone tell me how to give panel.width a 25% of content size?

Original source